1256460162511 has 8 divisors (see below), whose sum is σ = 1258669320048. Its totient is φ = 1254251400000.

The previous prime is 1256460162499. The next prime is 1256460162521. The reversal of 1256460162511 is 1152610646521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1256460162511 - 2⁵ = 1256460162479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256460162521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675036 + ... + 6860686.

It is an arithmetic number, because the mean of its divisors is an integer number (157333665006).

Almost surely, 2^{1256460162511} is an apocalyptic number.

1256460162511 is a deficient number, since it is larger than the sum of its proper divisors (2209157537).

1256460162511 is a wasteful number, since it uses less digits than its factorization.

1256460162511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197513.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 1256460162511 in words is "one trillion, two hundred fifty-six billion, four hundred sixty million, one hundred sixty-two thousand, five hundred eleven".