11311601252 has 24 divisors (see below), whose sum is σ = 22847200320. Its totient is φ = 4799829600.

The previous prime is 11311601243. The next prime is 11311601297. The reversal of 11311601252 is 25210611311.

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, 1997102 + ... + 2002757.

It is an arithmetic number, because the mean of its divisors is an integer number (951966680).

Almost surely, 2^11311601252 is an apocalyptic number.

It is an amenable number.

11311601252 is an abundant number, since it is smaller than the sum of its proper divisors (11535599068).

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

11311601252 is a wasteful number, since it uses less digits than its factorization.

11311601252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999971 (or 3999969 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 11311601252 in words is "eleven billion, three hundred eleven million, six hundred one thousand, two hundred fifty-two".