11510801512 has 32 divisors (see below), whose sum is σ = 24776640000. Its totient is φ = 4911073344.

The previous prime is 11510801479. The next prime is 11510801531. The reversal of 11510801512 is 21510801511.

It is a super-2 number, since 2×11510801512² (a number of 21 digits) contains 22 as substring.

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, 448387 + ... + 473362.

It is an arithmetic number, because the mean of its divisors is an integer number (774270000).

Almost surely, 2^11510801512 is an apocalyptic number.

It is an amenable number.

11510801512 is an abundant number, since it is smaller than the sum of its proper divisors (13265838488).

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

11510801512 is a wasteful number, since it uses less digits than its factorization.

11510801512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921985 (or 921981 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 25.

Subtracting 11510801512 from its reverse (21510801511), we obtain a palindrome (9999999999).

The spelling of 11510801512 in words is "eleven billion, five hundred ten million, eight hundred one thousand, five hundred twelve".