15915618151960 has 64 divisors (see below), whose sum is σ = 36966659834880. Its totient is φ = 6160658920320.

The previous prime is 15915618151943. The next prime is 15915618151967. The reversal of 15915618151960 is 6915181651951.

It is a junction number, because it is equal to n+sod(n) for n = 15915618151895 and 15915618151904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15915618151967) 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, 35892159 + ... + 36332881.

It is an arithmetic number, because the mean of its divisors is an integer number (577604059920).

Almost surely, 2^{15915618151960} is an apocalyptic number.

15915618151960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15915618151960 is an abundant number, since it is smaller than the sum of its proper divisors (21051041682920).

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

15915618151960 is a wasteful number, since it uses less digits than its factorization.

15915618151960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469888 (or 469884 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 58.

The spelling of 15915618151960 in words is "fifteen trillion, nine hundred fifteen billion, six hundred eighteen million, one hundred fifty-one thousand, nine hundred sixty".