1355551076880 has 3200 divisors, whose sum is σ = 7056268369920. Its totient is φ = 231473479680.

The previous prime is 1355551076839. The next prime is 1355551076881. The reversal of 1355551076880 is 886701555531.

1355551076880 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 551 + 0 + 7 + 6 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1355551076881) by changing a digit.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 2095132717 + ... + 2095133363.

Almost surely, 2^{1355551076880} is an apocalyptic number.

1355551076880 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 1355551076880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528134184960).

1355551076880 is an abundant number, since it is smaller than the sum of its proper divisors (5700717293040).

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

1355551076880 is a wasteful number, since it uses less digits than its factorization.

1355551076880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 54.

The spelling of 1355551076880 in words is "one trillion, three hundred fifty-five billion, five hundred fifty-one million, seventy-six thousand, eight hundred eighty".