1156071256664 has 16 divisors (see below), whose sum is σ = 2167665562320. Its totient is φ = 578027106720.

The previous prime is 1156071256643. The next prime is 1156071256699. The reversal of 1156071256664 is 4666521706511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469004 + ... + 1591259.

It is an arithmetic number, because the mean of its divisors is an integer number (135479097645).

Almost surely, 2^{1156071256664} is an apocalyptic number.

It is an amenable number.

1156071256664 is a deficient number, since it is larger than the sum of its proper divisors (1011594305656).

1156071256664 is a wasteful number, since it uses less digits than its factorization.

1156071256664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130410 (or 2130406 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 1156071256664 in words is "one trillion, one hundred fifty-six billion, seventy-one million, two hundred fifty-six thousand, six hundred sixty-four".