11152569523 has 2 divisors, whose sum is σ = 11152569524. Its totient is φ = 11152569522.

The previous prime is 11152569473. The next prime is 11152569539. The reversal of 11152569523 is 32596525111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11152569523 is a prime.

It is a super-3 number, since 3×11152569523³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11153569523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576284761 + 5576284762.

It is an arithmetic number, because the mean of its divisors is an integer number (5576284762).

Almost surely, 2^11152569523 is an apocalyptic number.

11152569523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11152569523 is an equidigital number, since it uses as much as digits as its factorization.

11152569523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 40.

The spelling of 11152569523 in words is "eleven billion, one hundred fifty-two million, five hundred sixty-nine thousand, five hundred twenty-three".