11761341919 has 4 divisors (see below), whose sum is σ = 11769437896. Its totient is φ = 11753245944.

The previous prime is 11761341821. The next prime is 11761341923. The reversal of 11761341919 is 91914316711.

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

It is a cyclic number.

It is not a de Polignac number, because 11761341919 - 2¹⁵ = 11761309151 is a prime.

It is a super-2 number, since 2×11761341919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11761321919) 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, 4045809 + ... + 4048714.

It is an arithmetic number, because the mean of its divisors is an integer number (2942359474).

Almost surely, 2^11761341919 is an apocalyptic number.

11761341919 is a deficient number, since it is larger than the sum of its proper divisors (8095977).

11761341919 is an equidigital number, since it uses as much as digits as its factorization.

11761341919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095976.

The product of its digits is 40824, while the sum is 43.

The spelling of 11761341919 in words is "eleven billion, seven hundred sixty-one million, three hundred forty-one thousand, nine hundred nineteen".