11930132569 has 2 divisors, whose sum is σ = 11930132570. Its totient is φ = 11930132568.

The previous prime is 11930132531. The next prime is 11930132587. The reversal of 11930132569 is 96523103911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11845492569 + 84640000 = 108837^2 + 9200^2 .

It is a cyclic number.

It is not a de Polignac number, because 11930132569 - 2⁹ = 11930132057 is a prime.

It is a super-2 number, since 2×11930132569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11930132069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5965066284 + 5965066285.

It is an arithmetic number, because the mean of its divisors is an integer number (5965066285).

Almost surely, 2^11930132569 is an apocalyptic number.

It is an amenable number.

11930132569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11930132569 is an equidigital number, since it uses as much as digits as its factorization.

11930132569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 11930132569 in words is "eleven billion, nine hundred thirty million, one hundred thirty-two thousand, five hundred sixty-nine".