11746537399 has 2 divisors, whose sum is σ = 11746537400. Its totient is φ = 11746537398.

The previous prime is 11746537381. The next prime is 11746537421. The reversal of 11746537399 is 99373564711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11746537399 - 2⁹ = 11746536887 is a prime.

It is a super-2 number, since 2×11746537399² (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 (11746537339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5873268699 + 5873268700.

It is an arithmetic number, because the mean of its divisors is an integer number (5873268700).

Almost surely, 2^11746537399 is an apocalyptic number.

11746537399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11746537399 is an equidigital number, since it uses as much as digits as its factorization.

11746537399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 55.

The spelling of 11746537399 in words is "eleven billion, seven hundred forty-six million, five hundred thirty-seven thousand, three hundred ninety-nine".