11622550072 has 64 divisors (see below), whose sum is σ = 27517086720. Its totient is φ = 4484249088.

The previous prime is 11622550067. The next prime is 11622550111. The reversal of 11622550072 is 27005522611.

It is a super-2 number, since 2×11622550072² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243508 + ... + 287299.

It is an arithmetic number, because the mean of its divisors is an integer number (429954480).

Almost surely, 2^11622550072 is an apocalyptic number.

It is an amenable number.

11622550072 is an abundant number, since it is smaller than the sum of its proper divisors (15894536648).

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

11622550072 is a wasteful number, since it uses less digits than its factorization.

11622550072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530860 (or 530856 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 11622550072 in words is "eleven billion, six hundred twenty-two million, five hundred fifty thousand, seventy-two".