11577541243 has 2 divisors, whose sum is σ = 11577541244. Its totient is φ = 11577541242.

The previous prime is 11577541219. The next prime is 11577541247. The reversal of 11577541243 is 34214577511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11577541243 - 2²¹ = 11575444091 is a prime.

It is a super-2 number, since 2×11577541243² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11577541196 and 11577541205.

It is not a weakly prime, because it can be changed into another prime (11577541247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788770621 + 5788770622.

It is an arithmetic number, because the mean of its divisors is an integer number (5788770622).

Almost surely, 2^11577541243 is an apocalyptic number.

11577541243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11577541243 is an equidigital number, since it uses as much as digits as its factorization.

11577541243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 40.

The spelling of 11577541243 in words is "eleven billion, five hundred seventy-seven million, five hundred forty-one thousand, two hundred forty-three".