11657405741 has 2 divisors, whose sum is σ = 11657405742. Its totient is φ = 11657405740.

The previous prime is 11657405707. The next prime is 11657405783. The reversal of 11657405741 is 14750475611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7640508100 + 4016897641 = 87410^2 + 63379^2 .

It is a cyclic number.

It is not a de Polignac number, because 11657405741 - 2²⁶ = 11590296877 is a prime.

It is a super-2 number, since 2×11657405741² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657405341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828702870 + 5828702871.

It is an arithmetic number, because the mean of its divisors is an integer number (5828702871).

Almost surely, 2^11657405741 is an apocalyptic number.

It is an amenable number.

11657405741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657405741 is an equidigital number, since it uses as much as digits as its factorization.

11657405741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 11657405741 in words is "eleven billion, six hundred fifty-seven million, four hundred five thousand, seven hundred forty-one".