1051056161155 has 96 divisors (see below), whose sum is σ = 1719725801472. Its totient is φ = 600037320960.

The previous prime is 1051056161143. The next prime is 1051056161161. The reversal of 1051056161155 is 5511616501501.

1051056161155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1051056161155 - 2¹⁵ = 1051056128387 is a prime.

It is a super-2 number, since 2×1051056161155² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6916824 + ... + 7067146.

It is an arithmetic number, because the mean of its divisors is an integer number (17913810432).

Almost surely, 2^{1051056161155} is an apocalyptic number.

1051056161155 is a deficient number, since it is larger than the sum of its proper divisors (668669640317).

1051056161155 is a wasteful number, since it uses less digits than its factorization.

1051056161155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150497 (or 150486 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 1051056161155 in words is "one trillion, fifty-one billion, fifty-six million, one hundred sixty-one thousand, one hundred fifty-five".