615060113920 has 160 divisors (see below), whose sum is σ = 1692438105600. Its totient is φ = 209993957376.

The previous prime is 615060113891. The next prime is 615060113923. The reversal of 615060113920 is 29311060516.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (615060113923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4211076 + ... + 4354684.

It is an arithmetic number, because the mean of its divisors is an integer number (10577738160).

Almost surely, 2^615060113920 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 615060113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846219052800).

615060113920 is an abundant number, since it is smaller than the sum of its proper divisors (1077377991680).

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

615060113920 is a wasteful number, since it uses less digits than its factorization.

615060113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143878 (or 143862 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 615060113920 in words is "six hundred fifteen billion, sixty million, one hundred thirteen thousand, nine hundred twenty".