15217254051 has 8 divisors (see below), whose sum is σ = 20546503680. Its totient is φ = 10016420232.

The previous prime is 15217254011. The next prime is 15217254077. The reversal of 15217254051 is 15045271251.

15217254051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15217254051 - 2²⁹ = 14680383139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15217254011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32103675 + ... + 32104148.

It is an arithmetic number, because the mean of its divisors is an integer number (2568312960).

Almost surely, 2^15217254051 is an apocalyptic number.

15217254051 is a deficient number, since it is larger than the sum of its proper divisors (5329249629).

15217254051 is an equidigital number, since it uses as much as digits as its factorization.

15217254051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64207905.

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 15217254051 in words is "fifteen billion, two hundred seventeen million, two hundred fifty-four thousand, fifty-one".