11653126461 has 6 divisors (see below), whose sum is σ = 16832293790. Its totient is φ = 7768750968.

The previous prime is 11653126451. The next prime is 11653126523. The reversal of 11653126461 is 16462135611.

11653126461 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 3 + 1 + 2 + 646 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10446884100 + 1206242361 = 102210^2 + 34731^2 .

It is not a de Polignac number, because 11653126461 - 2⁷ = 11653126333 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 (11653126451) 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, 647395906 + ... + 647395923.

Almost surely, 2^11653126461 is an apocalyptic number.

It is an amenable number.

11653126461 is a deficient number, since it is larger than the sum of its proper divisors (5179167329).

11653126461 is a wasteful number, since it uses less digits than its factorization.

11653126461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294791835 (or 1294791832 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 11653126461 in words is "eleven billion, six hundred fifty-three million, one hundred twenty-six thousand, four hundred sixty-one".