1315258525131 has 4 divisors (see below), whose sum is σ = 1753678033512. Its totient is φ = 876839016752.

The previous prime is 1315258525121. The next prime is 1315258525213.

1315258525131 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1315258525131 - 2⁵ = 1315258525099 is a prime.

It is a super-2 number, since 2×1315258525131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315258525121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219209754186 + ... + 219209754191.

It is an arithmetic number, because the mean of its divisors is an integer number (438419508378).

Almost surely, 2^{1315258525131} is an apocalyptic number.

1315258525131 is a deficient number, since it is larger than the sum of its proper divisors (438419508381).

1315258525131 is an equidigital number, since it uses as much as digits as its factorization.

1315258525131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438419508380.

The product of its digits is 180000, while the sum is 42.

The spelling of 1315258525131 in words is "one trillion, three hundred fifteen billion, two hundred fifty-eight million, five hundred twenty-five thousand, one hundred thirty-one".