13145052502 has 4 divisors (see below), whose sum is σ = 19717578756. Its totient is φ = 6572526250.

The previous prime is 13145052499. The next prime is 13145052533. The reversal of 13145052502 is 20525054131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20525054131 = 142157 ⋅144383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286263124 + ... + 3286263127.

It is an arithmetic number, because the mean of its divisors is an integer number (4929394689).

Almost surely, 2^13145052502 is an apocalyptic number.

13145052502 is a deficient number, since it is larger than the sum of its proper divisors (6572526254).

13145052502 is an equidigital number, since it uses as much as digits as its factorization.

13145052502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572526253.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 13145052502 in words is "thirteen billion, one hundred forty-five million, fifty-two thousand, five hundred two".