151556406212 has 6 divisors (see below), whose sum is σ = 265223710878. Its totient is φ = 75778203104.

The previous prime is 151556406193. The next prime is 151556406227. The reversal of 151556406212 is 212604655151.

It can be written as a sum of positive squares in only one way, i.e., 82273743556 + 69282662656 = 286834^2 + 263216^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18944550773 + ... + 18944550780.

It is an arithmetic number, because the mean of its divisors is an integer number (44203951813).

Almost surely, 2^151556406212 is an apocalyptic number.

It is an amenable number.

151556406212 is a deficient number, since it is larger than the sum of its proper divisors (113667304666).

151556406212 is a wasteful number, since it uses less digits than its factorization.

151556406212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37889101557 (or 37889101555 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 151556406212 in words is "one hundred fifty-one billion, five hundred fifty-six million, four hundred six thousand, two hundred twelve".