15052647421 has 8 divisors (see below), whose sum is σ = 17276860224. Its totient is φ = 12846893280.

The previous prime is 15052647391. The next prime is 15052647427. The reversal of 15052647421 is 12474625051.

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

It is a cyclic number.

It is not a de Polignac number, because 15052647421 - 2⁷ = 15052647293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052647427) 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 7 ways as a sum of consecutive naturals, for example, 4612915 + ... + 4616176.

It is an arithmetic number, because the mean of its divisors is an integer number (2159607528).

Almost surely, 2^15052647421 is an apocalyptic number.

It is an amenable number.

15052647421 is a deficient number, since it is larger than the sum of its proper divisors (2224212803).

15052647421 is an equidigital number, since it uses as much as digits as its factorization.

15052647421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229331.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 15052647421 in words is "fifteen billion, fifty-two million, six hundred forty-seven thousand, four hundred twenty-one".