158712320100 has 72 divisors (see below), whose sum is σ = 461213119360. Its totient is φ = 42138449280.

The previous prime is 158712320071. The next prime is 158712320131. The reversal of 158712320100 is 1023217851.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086412 + ... + 1223811.

Almost surely, 2^158712320100 is an apocalyptic number.

158712320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158712320100 is an abundant number, since it is smaller than the sum of its proper divisors (302500799260).

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

158712320100 is a wasteful number, since it uses less digits than its factorization.

158712320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310469 (or 2310462 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 158712320100 its reverse (1023217851), we get a palindrome (159735537951).

The spelling of 158712320100 in words is "one hundred fifty-eight billion, seven hundred twelve million, three hundred twenty thousand, one hundred".