6112565021 has 2 divisors, whose sum is σ = 6112565022. Its totient is φ = 6112565020.

The previous prime is 6112565003. The next prime is 6112565029. The reversal of 6112565021 is 1205652116.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5694362521 + 418202500 = 75461^2 + 20450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6112565021 - 2¹⁰ = 6112563997 is a prime.

It is a super-2 number, since 2×6112565021² = 74726902271905460882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6112565029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056282510 + 3056282511.

It is an arithmetic number, because the mean of its divisors is an integer number (3056282511).

Almost surely, 2^6112565021 is an apocalyptic number.

It is an amenable number.

6112565021 is a deficient number, since it is larger than the sum of its proper divisors (1).

6112565021 is an equidigital number, since it uses as much as digits as its factorization.

6112565021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 6112565021 is about 78182.8946829164. The cubic root of 6112565021 is about 1828.4138286684.

The spelling of 6112565021 in words is "six billion, one hundred twelve million, five hundred sixty-five thousand, twenty-one".