2321015542564 has 12 divisors (see below), whose sum is σ = 4128363711388. Its totient is φ = 1141483053600.

The previous prime is 2321015542519. The next prime is 2321015542567. The reversal of 2321015542564 is 4652455101232.

It can be written as a sum of positive squares in 2 ways, for example, as 190612574464 + 2130402968100 = 436592^2 + 1459590^2 .

It is a super-2 number, since 2×2321015542564² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2321015542567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4756179147 + ... + 4756179634.

Almost surely, 2^{2321015542564} is an apocalyptic number.

It is an amenable number.

2321015542564 is a deficient number, since it is larger than the sum of its proper divisors (1807348168824).

2321015542564 is a wasteful number, since it uses less digits than its factorization.

2321015542564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512358846 (or 9512358844 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 2321015542564 in words is "two trillion, three hundred twenty-one billion, fifteen million, five hundred forty-two thousand, five hundred sixty-four".