11612231572 has 12 divisors (see below), whose sum is σ = 20654543476. Its totient is φ = 5710933440.

The previous prime is 11612231551. The next prime is 11612231597. The reversal of 11612231572 is 27513221611.

It can be written as a sum of positive squares in 2 ways, for example, as 129823236 + 11482408336 = 11394^2 + 107156^2 .

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, 23795313 + ... + 23795800.

Almost surely, 2^11612231572 is an apocalyptic number.

It is an amenable number.

11612231572 is a deficient number, since it is larger than the sum of its proper divisors (9042311904).

11612231572 is a wasteful number, since it uses less digits than its factorization.

11612231572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47591178 (or 47591176 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The spelling of 11612231572 in words is "eleven billion, six hundred twelve million, two hundred thirty-one thousand, five hundred seventy-two".