15241545651 has 4 divisors (see below), whose sum is σ = 20322060872. Its totient is φ = 10161030432.

The previous prime is 15241545643. The next prime is 15241545661. The reversal of 15241545651 is 15654514251.

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

It is not a de Polignac number, because 15241545651 - 2³ = 15241545643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15241545601) 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, 2540257606 + ... + 2540257611.

It is an arithmetic number, because the mean of its divisors is an integer number (5080515218).

Almost surely, 2^15241545651 is an apocalyptic number.

15241545651 is a deficient number, since it is larger than the sum of its proper divisors (5080515221).

15241545651 is an equidigital number, since it uses as much as digits as its factorization.

15241545651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080515220.

The product of its digits is 120000, while the sum is 39.

The spelling of 15241545651 in words is "fifteen billion, two hundred forty-one million, five hundred forty-five thousand, six hundred fifty-one".