11616555406037 has 2 divisors, whose sum is σ = 11616555406038. Its totient is φ = 11616555406036.

The previous prime is 11616555406009. The next prime is 11616555406039. The reversal of 11616555406037 is 73060455561611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11611799096881 + 4756309156 = 3407609^2 + 68966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11616555406037 is a prime.

Together with 11616555406039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11616555406039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808277703018 + 5808277703019.

It is an arithmetic number, because the mean of its divisors is an integer number (5808277703019).

Almost surely, 2^{11616555406037} is an apocalyptic number.

It is an amenable number.

11616555406037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616555406037 is an equidigital number, since it uses as much as digits as its factorization.

11616555406037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 11616555406037 in words is "eleven trillion, six hundred sixteen billion, five hundred fifty-five million, four hundred six thousand, thirty-seven".