155122516636 has 12 divisors (see below), whose sum is σ = 275914640680. Its totient is φ = 76289762160.

The previous prime is 155122516607. The next prime is 155122516673. The reversal of 155122516636 is 636615221551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155122516592 and 155122516601.

It is a congruent number.

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, 317873766 + ... + 317874253.

Almost surely, 2^155122516636 is an apocalyptic number.

It is an amenable number.

155122516636 is a deficient number, since it is larger than the sum of its proper divisors (120792124044).

155122516636 is a wasteful number, since it uses less digits than its factorization.

155122516636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635748084 (or 635748082 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The spelling of 155122516636 in words is "one hundred fifty-five billion, one hundred twenty-two million, five hundred sixteen thousand, six hundred thirty-six".