2156460051351 has 16 divisors (see below), whose sum is σ = 2890497576960. Its totient is φ = 1430032133280.

The previous prime is 2156460051329. The next prime is 2156460051401. The reversal of 2156460051351 is 1531500646512.

It is not a de Polignac number, because 2156460051351 - 2³⁷ = 2019021097879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156460050351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11035966 + ... + 11229668.

It is an arithmetic number, because the mean of its divisors is an integer number (180656098560).

Almost surely, 2^{2156460051351} is an apocalyptic number.

2156460051351 is a deficient number, since it is larger than the sum of its proper divisors (734037525609).

2156460051351 is a wasteful number, since it uses less digits than its factorization.

2156460051351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213326.

The product of its (nonzero) digits is 108000, while the sum is 39.

Adding to 2156460051351 its reverse (1531500646512), we get a palindrome (3687960697863).

The spelling of 2156460051351 in words is "two trillion, one hundred fifty-six billion, four hundred sixty million, fifty-one thousand, three hundred fifty-one".