11674747261 has 4 divisors (see below), whose sum is σ = 12182344992. Its totient is φ = 11167149532.

The previous prime is 11674747237. The next prime is 11674747289. The reversal of 11674747261 is 16274747611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16274747611 = 64763 ⋅251297.

It is a cyclic number.

It is not a de Polignac number, because 11674747261 - 2³³ = 3084812669 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 (11674747291) 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, 253798831 + ... + 253798876.

It is an arithmetic number, because the mean of its divisors is an integer number (3045586248).

Almost surely, 2^11674747261 is an apocalyptic number.

It is an amenable number.

11674747261 is a deficient number, since it is larger than the sum of its proper divisors (507597731).

11674747261 is an equidigital number, since it uses as much as digits as its factorization.

11674747261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507597730.

The product of its digits is 395136, while the sum is 46.

The spelling of 11674747261 in words is "eleven billion, six hundred seventy-four million, seven hundred forty-seven thousand, two hundred sixty-one".