252011021442154 has 16 divisors (see below), whose sum is σ = 411668825004360. Its totient is φ = 115005893967360.

The previous prime is 252011021442013. The next prime is 252011021442203. The reversal of 252011021442154 is 451244120110252.

It can be written as a sum of positive squares in 4 ways, for example, as 130892522443929 + 121118498998225 = 11440827^2 + 11005385^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54453545967 + ... + 54453550594.

Almost surely, 2^{252011021442154} is an apocalyptic number.

252011021442154 is a deficient number, since it is larger than the sum of its proper divisors (159657803562206).

252011021442154 is a wasteful number, since it uses less digits than its factorization.

252011021442154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108907096665.

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 252011021442154 in words is "two hundred fifty-two trillion, eleven billion, twenty-one million, four hundred forty-two thousand, one hundred fifty-four".