11538790406 has 32 divisors (see below), whose sum is σ = 20612678688. Its totient is φ = 4775120640.

The previous prime is 11538790337. The next prime is 11538790411. The reversal of 11538790406 is 60409783511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255461 + ... + 297216.

It is an arithmetic number, because the mean of its divisors is an integer number (644146209).

Almost surely, 2^11538790406 is an apocalyptic number.

11538790406 is a deficient number, since it is larger than the sum of its proper divisors (9073888282).

11538790406 is a wasteful number, since it uses less digits than its factorization.

11538790406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552776.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 11538790406 in words is "eleven billion, five hundred thirty-eight million, seven hundred ninety thousand, four hundred six".