60915815280 has 120 divisors (see below), whose sum is σ = 204635049840. Its totient is φ = 16239498240.

The previous prime is 60915815273. The next prime is 60915815321. The reversal of 60915815280 is 8251851906.

It is a happy number.

60915815280 is a `hidden beast` number, since 60 + 9 + 1 + 581 + 5 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2969860 + ... + 2990300.

It is an arithmetic number, because the mean of its divisors is an integer number (1705292082).

Almost surely, 2^60915815280 is an apocalyptic number.

60915815280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60915815280 is an abundant number, since it is smaller than the sum of its proper divisors (143719234560).

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

60915815280 is a wasteful number, since it uses less digits than its factorization.

60915815280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24599 (or 24590 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 60915815280 in words is "sixty billion, nine hundred fifteen million, eight hundred fifteen thousand, two hundred eighty".