11858106508 has 12 divisors (see below), whose sum is σ = 20754332872. Its totient is φ = 5928297120.

The previous prime is 11858106503. The next prime is 11858106521. The reversal of 11858106508 is 80560185811.

It is a super-2 number, since 2×11858106508² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11858106503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152985 + ... + 217072.

Almost surely, 2^11858106508 is an apocalyptic number.

It is an amenable number.

11858106508 is a deficient number, since it is larger than the sum of its proper divisors (8896226364).

11858106508 is a wasteful number, since it uses less digits than its factorization.

11858106508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378072 (or 378070 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 43.

The spelling of 11858106508 in words is "eleven billion, eight hundred fifty-eight million, one hundred six thousand, five hundred eight".