15040551012 has 48 divisors (see below), whose sum is σ = 37493111040. Its totient is φ = 4678752672.

The previous prime is 15040551011. The next prime is 15040551013. The reversal of 15040551012 is 21015504051.

It is an interprime number because it is at equal distance from previous prime (15040551011) and next prime (15040551013).

It is not an unprimeable number, because it can be changed into a prime (15040551011) 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, 477018 + ... + 507569.

It is an arithmetic number, because the mean of its divisors is an integer number (781106480).

Almost surely, 2^15040551012 is an apocalyptic number.

15040551012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15040551012 is an abundant number, since it is smaller than the sum of its proper divisors (22452560028).

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

15040551012 is a wasteful number, since it uses less digits than its factorization.

15040551012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984680 (or 984678 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 15040551012 in words is "fifteen billion, forty million, five hundred fifty-one thousand, twelve".