15411242051 has 4 divisors (see below), whose sum is σ = 15411495000. Its totient is φ = 15410989104.

The previous prime is 15411242029. The next prime is 15411242053. The reversal of 15411242051 is 15024211451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15411242051 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 15411242051.

It is not an unprimeable number, because it can be changed into a prime (15411242053) 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, 26975 + ... + 177623.

It is an arithmetic number, because the mean of its divisors is an integer number (3852873750).

Almost surely, 2^15411242051 is an apocalyptic number.

15411242051 is a deficient number, since it is larger than the sum of its proper divisors (252949).

15411242051 is a wasteful number, since it uses less digits than its factorization.

15411242051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252948.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 15411242051 in words is "fifteen billion, four hundred eleven million, two hundred forty-two thousand, fifty-one".