15213106272 has 96 divisors (see below), whose sum is σ = 49150063872. Its totient is φ = 4012245504.

The previous prime is 15213106247. The next prime is 15213106277. The reversal of 15213106272 is 27260131251.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15213106277) 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, 861978 + ... + 879449.

It is an arithmetic number, because the mean of its divisors is an integer number (511979832).

Almost surely, 2^15213106272 is an apocalyptic number.

15213106272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15213106272 is an abundant number, since it is smaller than the sum of its proper divisors (33936957600).

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

15213106272 is a wasteful number, since it uses less digits than its factorization.

15213106272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741460 (or 1741452 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 15213106272 in words is "fifteen billion, two hundred thirteen million, one hundred six thousand, two hundred seventy-two".