15151561163 has 4 divisors (see below), whose sum is σ = 15248068080. Its totient is φ = 15055054248.

The previous prime is 15151561129. The next prime is 15151561171. The reversal of 15151561163 is 36116515151.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15151561163 is a prime.

It is a super-2 number, since 2×15151561163² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (15151564163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48253223 + ... + 48253536.

It is an arithmetic number, because the mean of its divisors is an integer number (3812017020).

Almost surely, 2^15151561163 is an apocalyptic number.

15151561163 is a deficient number, since it is larger than the sum of its proper divisors (96506917).

15151561163 is an equidigital number, since it uses as much as digits as its factorization.

15151561163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96506916.

The product of its digits is 13500, while the sum is 35.

The spelling of 15151561163 in words is "fifteen billion, one hundred fifty-one million, five hundred sixty-one thousand, one hundred sixty-three".