11504122512 has 20 divisors (see below), whose sum is σ = 29718983280. Its totient is φ = 3834707488.

The previous prime is 11504122501. The next prime is 11504122523. The reversal of 11504122512 is 21522140511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11504122501) and next prime (11504122523).

It is a super-2 number, since 2×11504122512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119834562 + ... + 119834657.

It is an arithmetic number, because the mean of its divisors is an integer number (1485949164).

Almost surely, 2^11504122512 is an apocalyptic number.

11504122512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11504122512 is an abundant number, since it is smaller than the sum of its proper divisors (18214860768).

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

11504122512 is a wasteful number, since it uses less digits than its factorization.

11504122512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239669230 (or 239669224 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 11504122512 in words is "eleven billion, five hundred four million, one hundred twenty-two thousand, five hundred twelve".