11138975908 has 12 divisors (see below), whose sum is σ = 19495813120. Its totient is φ = 5568743592.

The previous prime is 11138975879. The next prime is 11138975933. The reversal of 11138975908 is 80957983111.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 151716 + ... + 212827.

Almost surely, 2^11138975908 is an apocalyptic number.

It is an amenable number.

11138975908 is a deficient number, since it is larger than the sum of its proper divisors (8356837212).

11138975908 is a wasteful number, since it uses less digits than its factorization.

11138975908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372186 (or 372184 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 52.

The spelling of 11138975908 in words is "eleven billion, one hundred thirty-eight million, nine hundred seventy-five thousand, nine hundred eight".