15255312853 has 8 divisors (see below), whose sum is σ = 16645212576. Its totient is φ = 13865922000.

The previous prime is 15255312851. The next prime is 15255312881. The reversal of 15255312853 is 35821355251.

It is a happy number.

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 15255312853 - 2¹ = 15255312851 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 (15255312851) 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, 63123 + ... + 185728.

It is an arithmetic number, because the mean of its divisors is an integer number (2080651572).

Almost surely, 2^15255312853 is an apocalyptic number.

It is an amenable number.

15255312853 is a deficient number, since it is larger than the sum of its proper divisors (1389899723).

15255312853 is a wasteful number, since it uses less digits than its factorization.

15255312853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254435.

The product of its digits is 180000, while the sum is 40.

The spelling of 15255312853 in words is "fifteen billion, two hundred fifty-five million, three hundred twelve thousand, eight hundred fifty-three".