15552321545154 has 32 divisors (see below), whose sum is σ = 31238811100224. Its totient is φ = 5161746804480.

The previous prime is 15552321545147. The next prime is 15552321545183. The reversal of 15552321545154 is 45154512325551.

It is a super-2 number, since 2×15552321545154² (a number of 27 digits) contains 22 as substring.

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, 88280982 + ... + 88456974.

It is an arithmetic number, because the mean of its divisors is an integer number (976212846882).

Almost surely, 2^{15552321545154} is an apocalyptic number.

15552321545154 is an abundant number, since it is smaller than the sum of its proper divisors (15686489555070).

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

15552321545154 is a wasteful number, since it uses less digits than its factorization.

15552321545154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239442.

The product of its digits is 3000000, while the sum is 48.

The spelling of 15552321545154 in words is "fifteen trillion, five hundred fifty-two billion, three hundred twenty-one million, five hundred forty-five thousand, one hundred fifty-four".