415056377581 has 2 divisors, whose sum is σ = 415056377582. Its totient is φ = 415056377580.

The previous prime is 415056377509. The next prime is 415056377623. The reversal of 415056377581 is 185773650514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263929815081 + 151126562500 = 513741^2 + 388750^2 .

It is a cyclic number.

It is not a de Polignac number, because 415056377581 - 2³⁷ = 277617424109 is a prime.

It is a super-2 number, since 2×415056377581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415056347581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207528188790 + 207528188791.

It is an arithmetic number, because the mean of its divisors is an integer number (207528188791).

Almost surely, 2^415056377581 is an apocalyptic number.

It is an amenable number.

415056377581 is a deficient number, since it is larger than the sum of its proper divisors (1).

415056377581 is an equidigital number, since it uses as much as digits as its factorization.

415056377581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 415056377581 in words is "four hundred fifteen billion, fifty-six million, three hundred seventy-seven thousand, five hundred eighty-one".