2151560051 has 2 divisors, whose sum is σ = 2151560052. Its totient is φ = 2151560050.

The previous prime is 2151560039. The next prime is 2151560087. The reversal of 2151560051 is 1500651512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151560051 - 2³⁰ = 1077818227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151560051.

It is not a weakly prime, because it can be changed into another prime (2151560351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075780025 + 1075780026.

It is an arithmetic number, because the mean of its divisors is an integer number (1075780026).

Almost surely, 2^2151560051 is an apocalyptic number.

2151560051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151560051 is an equidigital number, since it uses as much as digits as its factorization.

2151560051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 2151560051 is about 46384.9118895358. The cubic root of 2151560051 is about 1290.9749757301.

The spelling of 2151560051 in words is "two billion, one hundred fifty-one million, five hundred sixty thousand, fifty-one".