15403303112253 has 32 divisors (see below), whose sum is σ = 23484149047296. Its totient is φ = 8797220179968.

The previous prime is 15403303112231. The next prime is 15403303112273. The reversal of 15403303112253 is 35221130330451.

It is not a de Polignac number, because 15403303112253 - 2¹³ = 15403303104061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15403303112213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443843500 + ... + 443878202.

It is an arithmetic number, because the mean of its divisors is an integer number (733879657728).

Almost surely, 2^{15403303112253} is an apocalyptic number.

It is an amenable number.

15403303112253 is a deficient number, since it is larger than the sum of its proper divisors (8080845935043).

15403303112253 is a wasteful number, since it uses less digits than its factorization.

15403303112253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45313.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 15403303112253 in words is "fifteen trillion, four hundred three billion, three hundred three million, one hundred twelve thousand, two hundred fifty-three".