15203231053 has 8 divisors (see below), whose sum is σ = 16114203072. Its totient is φ = 14294110656.

The previous prime is 15203231003. The next prime is 15203231107. The reversal of 15203231053 is 35013230251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15203231053 is a prime.

It is a super-2 number, since 2×15203231053² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15203231003) 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, 445975 + ... + 478852.

It is an arithmetic number, because the mean of its divisors is an integer number (2014275384).

Almost surely, 2^15203231053 is an apocalyptic number.

It is an amenable number.

15203231053 is a deficient number, since it is larger than the sum of its proper divisors (910972019).

15203231053 is an equidigital number, since it uses as much as digits as its factorization.

15203231053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925811.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 15203231053 in words is "fifteen billion, two hundred three million, two hundred thirty-one thousand, fifty-three".