1051111100056 has 32 divisors (see below), whose sum is σ = 1974051343440. Its totient is φ = 524697643008.

The previous prime is 1051111100047. The next prime is 1051111100069. The reversal of 1051111100056 is 6500011111501.

It is a super-2 number, since 2×1051111100056² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60168235 + ... + 60185701.

Almost surely, 2^{1051111100056} is an apocalyptic number.

It is an amenable number.

1051111100056 is a deficient number, since it is larger than the sum of its proper divisors (922940243384).

1051111100056 is a wasteful number, since it uses less digits than its factorization.

1051111100056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29323 (or 29319 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 1051111100056 its reverse (6500011111501), we get a palindrome (7551122211557).

The spelling of 1051111100056 in words is "one trillion, fifty-one billion, one hundred eleven million, one hundred thousand, fifty-six".