13145262251 has 6 divisors (see below), whose sum is σ = 14448924756. Its totient is φ = 11950238300.

The previous prime is 13145262217. The next prime is 13145262307. The reversal of 13145262251 is 15226254131.

It is a de Polignac number, because none of the positive numbers 2^k-13145262251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13145261251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54319145 + ... + 54319386.

It is an arithmetic number, because the mean of its divisors is an integer number (2408154126).

Almost surely, 2^13145262251 is an apocalyptic number.

13145262251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13145262251 is a deficient number, since it is larger than the sum of its proper divisors (1303662505).

13145262251 is a wasteful number, since it uses less digits than its factorization.

13145262251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108638553 (or 108638542 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The spelling of 13145262251 in words is "thirteen billion, one hundred forty-five million, two hundred sixty-two thousand, two hundred fifty-one".