11505400152 has 16 divisors (see below), whose sum is σ = 28763500440. Its totient is φ = 3835133376.

The previous prime is 11505400129. The next prime is 11505400169. The reversal of 11505400152 is 25100450511.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 479391673 = 11505400152 / (1 + 1 + 5 + 0 + 5 + 4 + 0 + 0 + 1 + 5 + 2).

It is a congruent number.

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, 239695813 + ... + 239695860.

Almost surely, 2^11505400152 is an apocalyptic number.

11505400152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11505400152 is an abundant number, since it is smaller than the sum of its proper divisors (17258100288).

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

11505400152 is a wasteful number, since it uses less digits than its factorization.

11505400152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479391682 (or 479391678 counting only the distinct ones).

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

Adding to 11505400152 its reverse (25100450511), we get a palindrome (36605850663).

The spelling of 11505400152 in words is "eleven billion, five hundred five million, four hundred thousand, one hundred fifty-two".