1118211861996 has 60 divisors (see below), whose sum is σ = 3024027634320. Its totient is φ = 359884274400.

The previous prime is 1118211861979. The next prime is 1118211862021. The reversal of 1118211861996 is 6991681128111.

1118211861996 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 2 + 1 + 18 + 619 + 9 + 6 = 666.

It is a super-2 number, since 2×1118211861996² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59495280 + ... + 59514071.

It is an arithmetic number, because the mean of its divisors is an integer number (50400460572).

Almost surely, 2^{1118211861996} is an apocalyptic number.

It is an amenable number.

1118211861996 is an abundant number, since it is smaller than the sum of its proper divisors (1905815772324).

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

1118211861996 is a wasteful number, since it uses less digits than its factorization.

1118211861996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119009396 (or 119009385 counting only the distinct ones).

The product of its digits is 373248, while the sum is 54.

The spelling of 1118211861996 in words is "one trillion, one hundred eighteen billion, two hundred eleven million, eight hundred sixty-one thousand, nine hundred ninety-six".