15550001065005 has 16 divisors (see below), whose sum is σ = 27141820041024. Its totient is φ = 7539394455680.

The previous prime is 15550001064989. The next prime is 15550001065031. The reversal of 15550001065005 is 50056010005551.

It is not a de Polignac number, because 15550001065005 - 2⁴ = 15550001064989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47121215184 + ... + 47121215513.

It is an arithmetic number, because the mean of its divisors is an integer number (1696363752564).

Almost surely, 2^{15550001065005} is an apocalyptic number.

15550001065005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15550001065005 is a deficient number, since it is larger than the sum of its proper divisors (11591818976019).

15550001065005 is a wasteful number, since it uses less digits than its factorization.

15550001065005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94242430716.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 15550001065005 in words is "fifteen trillion, five hundred fifty billion, one million, sixty-five thousand, five".