1055918231874 has 56 divisors (see below), whose sum is σ = 2590614242352. Its totient is φ = 319975216920.

The previous prime is 1055918231869. The next prime is 1055918231887. The reversal of 1055918231874 is 4781328195501.

1055918231874 is a `hidden beast` number, since 1 + 0 + 559 + 1 + 8 + 2 + 3 + 1 + 87 + 4 = 666.

It is a super-2 number, since 2×1055918231874² (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 a self number, because there is not a number n which added to its sum of digits gives 1055918231874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 32903224 + ... + 32935299.

Almost surely, 2^{1055918231874} is an apocalyptic number.

1055918231874 is an abundant number, since it is smaller than the sum of its proper divisors (1534696010478).

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

1055918231874 is an equidigital number, since it uses as much as digits as its factorization.

1055918231874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65838554 (or 65838539 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 1055918231874 in words is "one trillion, fifty-five billion, nine hundred eighteen million, two hundred thirty-one thousand, eight hundred seventy-four".