1315225155251 has 24 divisors (see below), whose sum is σ = 1650518402400. Its totient is φ = 1041002656512.

The previous prime is 1315225155221. The next prime is 1315225155271. The reversal of 1315225155251 is 1525515225131.

It is not a de Polignac number, because 1315225155251 - 2³⁴ = 1298045286067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315225155221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14851151 + ... + 14939448.

It is an arithmetic number, because the mean of its divisors is an integer number (68771600100).

Almost surely, 2^{1315225155251} is an apocalyptic number.

1315225155251 is a deficient number, since it is larger than the sum of its proper divisors (335293247149).

1315225155251 is a wasteful number, since it uses less digits than its factorization.

1315225155251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29790683 (or 29790676 counting only the distinct ones).

The product of its digits is 75000, while the sum is 38.

The spelling of 1315225155251 in words is "one trillion, three hundred fifteen billion, two hundred twenty-five million, one hundred fifty-five thousand, two hundred fifty-one".