1051056161154 has 24 divisors (see below), whose sum is σ = 2315886459120. Its totient is φ = 344413882968.

The previous prime is 1051056161143. The next prime is 1051056161161. The reversal of 1051056161154 is 4511616501501.

1051056161154 is a `hidden beast` number, since 10 + 5 + 10 + 5 + 616 + 1 + 15 + 4 = 666.

It is a super-2 number, since 2×1051056161154² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 494846472 + ... + 494848595.

It is an arithmetic number, because the mean of its divisors is an integer number (96495269130).

Almost surely, 2^{1051056161154} is an apocalyptic number.

1051056161154 is an abundant number, since it is smaller than the sum of its proper divisors (1264830297966).

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

1051056161154 is a wasteful number, since it uses less digits than its factorization.

1051056161154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989695134 (or 989695131 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The spelling of 1051056161154 in words is "one trillion, fifty-one billion, fifty-six million, one hundred sixty-one thousand, one hundred fifty-four".