15143045243520 has 128 divisors (see below), whose sum is σ = 48620782059840. Its totient is φ = 4008669814784.

The previous prime is 15143045243507. The next prime is 15143045243531. The reversal of 15143045243520 is 2534254034151.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×15143045243520² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28521642 + ... + 29047721.

Almost surely, 2^{15143045243520} is an apocalyptic number.

15143045243520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15143045243520 is an abundant number, since it is smaller than the sum of its proper divisors (33477736816320).

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

15143045243520 is a wasteful number, since it uses less digits than its factorization.

15143045243520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57569522 (or 57569510 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 15143045243520 its reverse (2534254034151), we get a palindrome (17677299277671).

The spelling of 15143045243520 in words is "fifteen trillion, one hundred forty-three billion, forty-five million, two hundred forty-three thousand, five hundred twenty".