11690763581953 has 4 divisors (see below), whose sum is σ = 12378455557380. Its totient is φ = 11003071606528.

The previous prime is 11690763581947. The next prime is 11690763581957. The reversal of 11690763581953 is 35918536709611.

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 9869041099009 + 1821722482944 = 3141503^2 + 1349712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11690763581953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11690763581957) 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, 343845987688 + ... + 343845987721.

It is an arithmetic number, because the mean of its divisors is an integer number (3094613889345).

Almost surely, 2^{11690763581953} is an apocalyptic number.

It is an amenable number.

11690763581953 is a deficient number, since it is larger than the sum of its proper divisors (687691975427).

11690763581953 is an equidigital number, since it uses as much as digits as its factorization.

11690763581953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687691975426.

The product of its (nonzero) digits is 36741600, while the sum is 64.

The spelling of 11690763581953 in words is "eleven trillion, six hundred ninety billion, seven hundred sixty-three million, five hundred eighty-one thousand, nine hundred fifty-three".