11740670261 has 4 divisors (see below), whose sum is σ = 11774311500. Its totient is φ = 11707029024.

The previous prime is 11740670231. The next prime is 11740670273. The reversal of 11740670261 is 16207604711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9128847025 + 2611823236 = 95545^2 + 51106^2 .

It is a cyclic number.

It is not a de Polignac number, because 11740670261 - 2¹⁴ = 11740653877 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 (11740670231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16820096 + ... + 16820793.

It is an arithmetic number, because the mean of its divisors is an integer number (2943577875).

Almost surely, 2^11740670261 is an apocalyptic number.

It is an amenable number.

11740670261 is a deficient number, since it is larger than the sum of its proper divisors (33641239).

11740670261 is an equidigital number, since it uses as much as digits as its factorization.

11740670261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33641238.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 11740670261 in words is "eleven billion, seven hundred forty million, six hundred seventy thousand, two hundred sixty-one".