15550001065004 has 48 divisors (see below), whose sum is σ = 32191718388480. Its totient is φ = 6430622721600.

The previous prime is 15550001064989. The next prime is 15550001065031. The reversal of 15550001065004 is 40056010005551.

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, 4390322 + ... + 7097529.

It is an arithmetic number, because the mean of its divisors is an integer number (670660799760).

Almost surely, 2^{15550001065004} is an apocalyptic number.

15550001065004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15550001065004 is an abundant number, since it is smaller than the sum of its proper divisors (16641717323476).

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

15550001065004 is a wasteful number, since it uses less digits than its factorization.

15550001065004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489558 (or 11489556 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 15550001065004 in words is "fifteen trillion, five hundred fifty billion, one million, sixty-five thousand, four".