13201541515464 has 64 divisors (see below), whose sum is σ = 33084570312000. Its totient is φ = 4389755375616.

The previous prime is 13201541515441. The next prime is 13201541515499. The reversal of 13201541515464 is 46451514510231.

It is a happy number.

It is a super-2 number, since 2×13201541515464² (a number of 27 digits) contains 22 as substring.

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, 57819832 + ... + 58047704.

It is an arithmetic number, because the mean of its divisors is an integer number (516946411125).

Almost surely, 2^{13201541515464} is an apocalyptic number.

It is an amenable number.

13201541515464 is an abundant number, since it is smaller than the sum of its proper divisors (19883028796536).

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

13201541515464 is a wasteful number, since it uses less digits than its factorization.

13201541515464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233774 (or 233770 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 13201541515464 in words is "thirteen trillion, two hundred one billion, five hundred forty-one million, five hundred fifteen thousand, four hundred sixty-four".