11637878041 has 2 divisors, whose sum is σ = 11637878042. Its totient is φ = 11637878040.

The previous prime is 11637878027. The next prime is 11637878093. The reversal of 11637878041 is 14087873611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10662627600 + 975250441 = 103260^2 + 31229^2 .

It is a cyclic number.

It is not a de Polignac number, because 11637878041 - 2⁵ = 11637878009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11637877982 and 11637878000.

It is not a weakly prime, because it can be changed into another prime (11637879041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5818939020 + 5818939021.

It is an arithmetic number, because the mean of its divisors is an integer number (5818939021).

Almost surely, 2^11637878041 is an apocalyptic number.

It is an amenable number.

11637878041 is a deficient number, since it is larger than the sum of its proper divisors (1).

11637878041 is an equidigital number, since it uses as much as digits as its factorization.

11637878041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 11637878041 in words is "eleven billion, six hundred thirty-seven million, eight hundred seventy-eight thousand, forty-one".