13215132455340 has 48 divisors (see below), whose sum is σ = 37007102135808. Its totient is φ = 3523584725184.

The previous prime is 13215132455333. The next prime is 13215132455353. The reversal of 13215132455340 is 4355423151231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13607842 + ... + 14546601.

It is an arithmetic number, because the mean of its divisors is an integer number (770981294496).

Almost surely, 2^{13215132455340} is an apocalyptic number.

13215132455340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13215132455340 is an abundant number, since it is smaller than the sum of its proper divisors (23791969680468).

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

13215132455340 is a wasteful number, since it uses less digits than its factorization.

13215132455340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28162278 (or 28162276 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 13215132455340 in words is "thirteen trillion, two hundred fifteen billion, one hundred thirty-two million, four hundred fifty-five thousand, three hundred forty".