11313511772 has 12 divisors (see below), whose sum is σ = 20840679720. Its totient is φ = 5359031856.

The previous prime is 11313511771. The next prime is 11313511817. The reversal of 11313511772 is 27711531311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313511771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74430923 + ... + 74431074.

It is an arithmetic number, because the mean of its divisors is an integer number (1736723310).

Almost surely, 2^11313511772 is an apocalyptic number.

It is an amenable number.

11313511772 is a deficient number, since it is larger than the sum of its proper divisors (9527167948).

11313511772 is a wasteful number, since it uses less digits than its factorization.

11313511772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148862020 (or 148862018 counting only the distinct ones).

The product of its digits is 4410, while the sum is 32.

The spelling of 11313511772 in words is "eleven billion, three hundred thirteen million, five hundred eleven thousand, seven hundred seventy-two".