15555061002 has 32 divisors (see below), whose sum is σ = 33604482240. Its totient is φ = 4771704960.

The previous prime is 15555060947. The next prime is 15555061007. The reversal of 15555061002 is 20016055551.

It is not an unprimeable number, because it can be changed into a prime (15555061007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275427 + ... + 327062.

It is an arithmetic number, because the mean of its divisors is an integer number (1050140070).

Almost surely, 2^15555061002 is an apocalyptic number.

15555061002 is an abundant number, since it is smaller than the sum of its proper divisors (18049421238).

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

15555061002 is a wasteful number, since it uses less digits than its factorization.

15555061002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602838.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 15555061002 in words is "fifteen billion, five hundred fifty-five million, sixty-one thousand, two".