615841158231 has 24 divisors (see below), whose sum is σ = 958177636416. Its totient is φ = 378899064000.

The previous prime is 615841158227. The next prime is 615841158281. The reversal of 615841158231 is 132851148516.

615841158231 is a `hidden beast` number, since 6 + 1 + 58 + 4 + 11 + 582 + 3 + 1 = 666.

It is not a de Polignac number, because 615841158231 - 2² = 615841158227 is a prime.

It is a super-2 number, since 2×615841158231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615841158281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921 + ... + 1109813.

It is an arithmetic number, because the mean of its divisors is an integer number (39924068184).

Almost surely, 2^615841158231 is an apocalyptic number.

615841158231 is a deficient number, since it is larger than the sum of its proper divisors (342336478185).

615841158231 is a wasteful number, since it uses less digits than its factorization.

615841158231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112663 (or 1112660 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The spelling of 615841158231 in words is "six hundred fifteen billion, eight hundred forty-one million, one hundred fifty-eight thousand, two hundred thirty-one".