15550010051601 has 8 divisors (see below), whose sum is σ = 21402164372224. Its totient is φ = 10032264549360.

The previous prime is 15550010051593. The next prime is 15550010051617. The reversal of 15550010051601 is 10615001005551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15550010051601 - 2³ = 15550010051593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15550010051651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 83602204486 + ... + 83602204671.

It is an arithmetic number, because the mean of its divisors is an integer number (2675270546528).

Almost surely, 2^{15550010051601} is an apocalyptic number.

It is an amenable number.

15550010051601 is a deficient number, since it is larger than the sum of its proper divisors (5852154320623).

15550010051601 is a wasteful number, since it uses less digits than its factorization.

15550010051601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167204409191.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 15550010051601 in words is "fifteen trillion, five hundred fifty billion, ten million, fifty-one thousand, six hundred one".