15244111366872 has 32 divisors (see below), whose sum is σ = 40116082545600. Its totient is φ = 4813929905184.

The previous prime is 15244111366871. The next prime is 15244111366903. The reversal of 15244111366872 is 27866311144251.

It is a happy number.

It is a super-2 number, since 2×15244111366872² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15244111366871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16715033938 + ... + 16715034849.

It is an arithmetic number, because the mean of its divisors is an integer number (1253627579550).

Almost surely, 2^{15244111366872} is an apocalyptic number.

15244111366872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15244111366872 is an abundant number, since it is smaller than the sum of its proper divisors (24871971178728).

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

15244111366872 is a wasteful number, since it uses less digits than its factorization.

15244111366872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33430068815 (or 33430068811 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 15244111366872 in words is "fifteen trillion, two hundred forty-four billion, one hundred eleven million, three hundred sixty-six thousand, eight hundred seventy-two".