1118776538880 has 2592 divisors, whose sum is σ = 5545784724480. Its totient is φ = 201507471360.

The previous prime is 1118776538879. The next prime is 1118776538881. The reversal of 1118776538880 is 888356778111.

1118776538880 is a `hidden beast` number, since 1 + 1 + 18 + 7 + 7 + 6 + 538 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1118776538879) and next prime (1118776538881).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118776538881) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2548465701 + ... + 2548466139.

It is an arithmetic number, because the mean of its divisors is an integer number (2139577440).

Almost surely, 2^{1118776538880} is an apocalyptic number.

1118776538880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118776538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772892362240).

1118776538880 is an abundant number, since it is smaller than the sum of its proper divisors (4427008185600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118776538880 is a wasteful number, since it uses less digits than its factorization.

1118776538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 63.

The spelling of 1118776538880 in words is "one trillion, one hundred eighteen billion, seven hundred seventy-six million, five hundred thirty-eight thousand, eight hundred eighty".