1491151175264 has 24 divisors (see below), whose sum is σ = 2945266449048. Its totient is φ = 743146997760.

The previous prime is 1491151175251. The next prime is 1491151175279. The reversal of 1491151175264 is 4625711511941.

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, 75883457 + ... + 75903104.

It is an arithmetic number, because the mean of its divisors is an integer number (122719435377).

Almost surely, 2^{1491151175264} is an apocalyptic number.

It is an amenable number.

1491151175264 is a deficient number, since it is larger than the sum of its proper divisors (1454115273784).

1491151175264 is a wasteful number, since it uses less digits than its factorization.

1491151175264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151786878 (or 151786870 counting only the distinct ones).

The product of its digits is 302400, while the sum is 47.

The spelling of 1491151175264 in words is "one trillion, four hundred ninety-one billion, one hundred fifty-one million, one hundred seventy-five thousand, two hundred sixty-four".