15143794512 has 80 divisors (see below), whose sum is σ = 48774830592. Its totient is φ = 3933452160.

The previous prime is 15143794511. The next prime is 15143794517. The reversal of 15143794512 is 21549734151.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15143794511) 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, 2044978 + ... + 2052369.

Almost surely, 2^15143794512 is an apocalyptic number.

15143794512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15143794512 is an abundant number, since it is smaller than the sum of its proper divisors (33631036080).

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

15143794512 is a wasteful number, since it uses less digits than its factorization.

15143794512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097376 (or 4097370 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 15143794512 in words is "fifteen billion, one hundred forty-three million, seven hundred ninety-four thousand, five hundred twelve".