15605501016151 has 4 divisors (see below), whose sum is σ = 15760010927304. Its totient is φ = 15450991105000.

The previous prime is 15605501016037. The next prime is 15605501016173. The reversal of 15605501016151 is 15161010550651.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15605501016151 - 2⁷ = 15605501016023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15605501016151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15605501016191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77254955425 + ... + 77254955626.

It is an arithmetic number, because the mean of its divisors is an integer number (3940002731826).

Almost surely, 2^{15605501016151} is an apocalyptic number.

15605501016151 is a deficient number, since it is larger than the sum of its proper divisors (154509911153).

15605501016151 is a wasteful number, since it uses less digits than its factorization.

15605501016151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154509911152.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 15605501016151 in words is "fifteen trillion, six hundred five billion, five hundred one million, sixteen thousand, one hundred fifty-one".