11521151510612 has 12 divisors (see below), whose sum is σ = 20187633973920. Its totient is φ = 5753256089496.

The previous prime is 11521151510507. The next prime is 11521151510629. The reversal of 11521151510612 is 21601515112511.

It is a super-2 number, since 2×11521151510612² (a number of 27 digits) contains 22 as substring.

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, 1829912912 + ... + 1829919207.

It is an arithmetic number, because the mean of its divisors is an integer number (1682302831160).

Almost surely, 2^{11521151510612} is an apocalyptic number.

It is an amenable number.

11521151510612 is a deficient number, since it is larger than the sum of its proper divisors (8666482463308).

11521151510612 is a wasteful number, since it uses less digits than its factorization.

11521151510612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659832910 (or 3659832908 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 32.

The spelling of 11521151510612 in words is "eleven trillion, five hundred twenty-one billion, one hundred fifty-one million, five hundred ten thousand, six hundred twelve".