615614132056 has 128 divisors (see below), whose sum is σ = 1449441423360. Its totient is φ = 238129257600.

The previous prime is 615614132027. The next prime is 615614132057. The reversal of 615614132056 is 650231416516.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615614132057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99885631 + ... + 99891793.

It is an arithmetic number, because the mean of its divisors is an integer number (11323761120).

Almost surely, 2^615614132056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 615614132056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724720711680).

615614132056 is an abundant number, since it is smaller than the sum of its proper divisors (833827291304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

615614132056 is a wasteful number, since it uses less digits than its factorization.

615614132056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 615614132056 in words is "six hundred fifteen billion, six hundred fourteen million, one hundred thirty-two thousand, fifty-six".