11990353626 has 24 divisors (see below), whose sum is σ = 26039392704. Its totient is φ = 3987508680.

The previous prime is 11990353597. The next prime is 11990353651. The reversal of 11990353626 is 62635309911.

11990353626 is a `hidden beast` number, since 1 + 1 + 9 + 90 + 3 + 536 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765016 + ... + 780531.

It is an arithmetic number, because the mean of its divisors is an integer number (1084974696).

Almost surely, 2^11990353626 is an apocalyptic number.

11990353626 is an abundant number, since it is smaller than the sum of its proper divisors (14049039078).

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

11990353626 is a wasteful number, since it uses less digits than its factorization.

11990353626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545986 (or 1545983 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 11990353626 in words is "eleven billion, nine hundred ninety million, three hundred fifty-three thousand, six hundred twenty-six".