15155995161 has 8 divisors (see below), whose sum is σ = 20509605664. Its totient is φ = 9953190720.

The previous prime is 15155995147. The next prime is 15155995189. The reversal of 15155995161 is 16159955151.

It is a happy number.

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

It is not a de Polignac number, because 15155995161 - 2¹³ = 15155986969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15155995161.

It is not an unprimeable number, because it can be changed into a prime (15155995661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37701280 + ... + 37701681.

It is an arithmetic number, because the mean of its divisors is an integer number (2563700708).

Almost surely, 2^15155995161 is an apocalyptic number.

It is an amenable number.

15155995161 is a deficient number, since it is larger than the sum of its proper divisors (5353610503).

15155995161 is an equidigital number, since it uses as much as digits as its factorization.

15155995161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75403031.

The product of its digits is 303750, while the sum is 48.

The spelling of 15155995161 in words is "fifteen billion, one hundred fifty-five million, nine hundred ninety-five thousand, one hundred sixty-one".