152221420555 has 16 divisors (see below), whose sum is σ = 188571679488. Its totient is φ = 117840384000.

The previous prime is 152221420501. The next prime is 152221420597. The reversal of 152221420555 is 555024122251.

It is not a de Polignac number, because 152221420555 - 2¹¹ = 152221418507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152221420555.

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, 2938075 + ... + 2989435.

It is an arithmetic number, because the mean of its divisors is an integer number (11785729968).

Almost surely, 2^152221420555 is an apocalyptic number.

152221420555 is a deficient number, since it is larger than the sum of its proper divisors (36350258933).

152221420555 is a wasteful number, since it uses less digits than its factorization.

152221420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70518.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 152221420555 in words is "one hundred fifty-two billion, two hundred twenty-one million, four hundred twenty thousand, five hundred fifty-five".