15338898612 has 48 divisors (see below), whose sum is σ = 39872548800. Its totient is φ = 5099461920.

The previous prime is 15338898577. The next prime is 15338898661. The reversal of 15338898612 is 21689883351.

15338898612 is a `hidden beast` number, since 1 + 533 + 8 + 8 + 98 + 6 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146439 + ... + 228302.

It is an arithmetic number, because the mean of its divisors is an integer number (830678100).

Almost surely, 2^15338898612 is an apocalyptic number.

15338898612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15338898612 is an abundant number, since it is smaller than the sum of its proper divisors (24533650188).

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

15338898612 is a wasteful number, since it uses less digits than its factorization.

15338898612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375133 (or 375125 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 15338898612 in words is "fifteen billion, three hundred thirty-eight million, eight hundred ninety-eight thousand, six hundred twelve".