11503153136 has 40 divisors (see below), whose sum is σ = 23016753024. Its totient is φ = 5563514880.

The previous prime is 11503153121. The next prime is 11503153157. The reversal of 11503153136 is 63135130511.

It is a junction number, because it is equal to n+sod(n) for n = 11503153099 and 11503153108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552256 + ... + 1559648.

Almost surely, 2^11503153136 is an apocalyptic number.

11503153136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11503153136 is an abundant number, since it is smaller than the sum of its proper divisors (11513599888).

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

11503153136 is a wasteful number, since it uses less digits than its factorization.

11503153136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569 (or 10563 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

Adding to 11503153136 its reverse (63135130511), we get a palindrome (74638283647).

The spelling of 11503153136 in words is "eleven billion, five hundred three million, one hundred fifty-three thousand, one hundred thirty-six".