15040511004 has 24 divisors (see below), whose sum is σ = 35097744528. Its totient is φ = 5013043840.

The previous prime is 15040510999. The next prime is 15040511009. The reversal of 15040511004 is 40011504051.

It is an interprime number because it is at equal distance from previous prime (15040510999) and next prime (15040511009).

It is a super-2 number, since 2×15040511004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040511009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94984 + ... + 197744.

It is an arithmetic number, because the mean of its divisors is an integer number (1462406022).

Almost surely, 2^15040511004 is an apocalyptic number.

It is an amenable number.

15040511004 is an abundant number, since it is smaller than the sum of its proper divisors (20057233524).

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

15040511004 is a wasteful number, since it uses less digits than its factorization.

15040511004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114965 (or 114963 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 15040511004 in words is "fifteen billion, forty million, five hundred eleven thousand, four".