556693465121 has 6 divisors (see below), whose sum is σ = 587535208722. Its totient is φ = 527393808720.

The previous prime is 556693465109. The next prime is 556693465183. The reversal of 556693465121 is 121564396655.

It can be written as a sum of positive squares in only one way, i.e., 547505284096 + 9188181025 = 739936^2 + 95855^2 .

It is not a de Polignac number, because 556693465121 - 2⁶ = 556693465057 is a prime.

It is a super-2 number, since 2×556693465121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556633465121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771043220 + ... + 771043941.

It is an arithmetic number, because the mean of its divisors is an integer number (97922534787).

Almost surely, 2^556693465121 is an apocalyptic number.

It is an amenable number.

556693465121 is a deficient number, since it is larger than the sum of its proper divisors (30841743601).

556693465121 is a wasteful number, since it uses less digits than its factorization.

556693465121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542087199 (or 1542087180 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 53.

The spelling of 556693465121 in words is "five hundred fifty-six billion, six hundred ninety-three million, four hundred sixty-five thousand, one hundred twenty-one".