15541312051 has 16 divisors (see below), whose sum is σ = 15843110400. Its totient is φ = 15242524128.

The previous prime is 15541312043. The next prime is 15541312063. The reversal of 15541312051 is 15021314551.

It is a cyclic number.

It is not a de Polignac number, because 15541312051 - 2³ = 15541312043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15541312001) 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 15 ways as a sum of consecutive naturals, for example, 8695980 + ... + 8697766.

It is an arithmetic number, because the mean of its divisors is an integer number (990194400).

Almost surely, 2^15541312051 is an apocalyptic number.

15541312051 is a deficient number, since it is larger than the sum of its proper divisors (301798349).

15541312051 is a wasteful number, since it uses less digits than its factorization.

15541312051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 15541312051 in words is "fifteen billion, five hundred forty-one million, three hundred twelve thousand, fifty-one".