15371163240720 has 160 divisors (see below), whose sum is σ = 55113954481152. Its totient is φ = 3471078483456.

The previous prime is 15371163240709. The next prime is 15371163240731. The reversal of 15371163240720 is 2704236117351.

It is an interprime number because it is at equal distance from previous prime (15371163240709) and next prime (15371163240731).

It is a super-2 number, since 2×15371163240720² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54978042 + ... + 55256921.

Almost surely, 2^{15371163240720} is an apocalyptic number.

15371163240720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15371163240720 is an abundant number, since it is smaller than the sum of its proper divisors (39742791240432).

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

15371163240720 is a wasteful number, since it uses less digits than its factorization.

15371163240720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110235069 (or 110235063 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 15371163240720 in words is "fifteen trillion, three hundred seventy-one billion, one hundred sixty-three million, two hundred forty thousand, seven hundred twenty".