15242905253 has 8 divisors (see below), whose sum is σ = 15944539200. Its totient is φ = 14544512928.

The previous prime is 15242905247. The next prime is 15242905277. The reversal of 15242905253 is 35250924251.

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 15242905253 - 2⁸ = 15242904997 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 (15242905753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800783 + ... + 819596.

It is an arithmetic number, because the mean of its divisors is an integer number (1993067400).

Almost surely, 2^15242905253 is an apocalyptic number.

It is an amenable number.

15242905253 is a deficient number, since it is larger than the sum of its proper divisors (701633947).

15242905253 is a wasteful number, since it uses less digits than its factorization.

15242905253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620811.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 15242905253 in words is "fifteen billion, two hundred forty-two million, nine hundred five thousand, two hundred fifty-three".