15122550630 has 32 divisors (see below), whose sum is σ = 39593587968. Its totient is φ = 3666072800.

The previous prime is 15122550629. The next prime is 15122550647. The reversal of 15122550630 is 3605522151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 22912626 + ... + 22913285.

It is an arithmetic number, because the mean of its divisors is an integer number (1237299624).

Almost surely, 2^15122550630 is an apocalyptic number.

15122550630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15122550630 is an abundant number, since it is smaller than the sum of its proper divisors (24471037338).

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

15122550630 is a wasteful number, since it uses less digits than its factorization.

15122550630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45825932.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 15122550630 in words is "fifteen billion, one hundred twenty-two million, five hundred fifty thousand, six hundred thirty".