11620052491 has 2 divisors, whose sum is σ = 11620052492. Its totient is φ = 11620052490.

The previous prime is 11620052453. The next prime is 11620052503. The reversal of 11620052491 is 19425002611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11620052491 - 2²⁵ = 11586498059 is a prime.

It is not a weakly prime, because it can be changed into another prime (11620052291) 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 as a sum of consecutive naturals, namely, 5810026245 + 5810026246.

It is an arithmetic number, because the mean of its divisors is an integer number (5810026246).

Almost surely, 2^11620052491 is an apocalyptic number.

11620052491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11620052491 is an equidigital number, since it uses as much as digits as its factorization.

11620052491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11620052491 in words is "eleven billion, six hundred twenty million, fifty-two thousand, four hundred ninety-one".