13145262461 has 16 divisors (see below), whose sum is σ = 14701176000. Its totient is φ = 11680766208.

The previous prime is 13145262457. The next prime is 13145262463. The reversal of 13145262461 is 16426254131.

It is a cyclic number.

It is not a de Polignac number, because 13145262461 - 2² = 13145262457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145262463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25190 + ... + 164088.

It is an arithmetic number, because the mean of its divisors is an integer number (918823500).

Almost surely, 2^13145262461 is an apocalyptic number.

It is an amenable number.

13145262461 is a deficient number, since it is larger than the sum of its proper divisors (1555913539).

13145262461 is a wasteful number, since it uses less digits than its factorization.

13145262461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139228.

The product of its digits is 34560, while the sum is 35.

The spelling of 13145262461 in words is "thirteen billion, one hundred forty-five million, two hundred sixty-two thousand, four hundred sixty-one".