11611374053 has 4 divisors (see below), whose sum is σ = 11741839020. Its totient is φ = 11480909088.

The previous prime is 11611374011. The next prime is 11611374079. The reversal of 11611374053 is 35047311611.

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 1862181409 + 9749192644 = 43153^2 + 98738^2 .

It is a cyclic number.

It is not a de Polignac number, because 11611374053 - 2⁶ = 11611373989 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 (11611374553) 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, 65232350 + ... + 65232527.

It is an arithmetic number, because the mean of its divisors is an integer number (2935459755).

Almost surely, 2^11611374053 is an apocalyptic number.

It is an amenable number.

11611374053 is a deficient number, since it is larger than the sum of its proper divisors (130464967).

11611374053 is an equidigital number, since it uses as much as digits as its factorization.

11611374053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130464966.

The product of its (nonzero) digits is 7560, while the sum is 32.

Adding to 11611374053 its reverse (35047311611), we get a palindrome (46658685664).

The spelling of 11611374053 in words is "eleven billion, six hundred eleven million, three hundred seventy-four thousand, fifty-three".