11529714481 has 2 divisors, whose sum is σ = 11529714482. Its totient is φ = 11529714480.

The previous prime is 11529714457. The next prime is 11529714491. The reversal of 11529714481 is 18441792511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10415223025 + 1114491456 = 102055^2 + 33384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11529714481 is a prime.

It is a super-2 number, since 2×11529714481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11529714421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5764857240 + 5764857241.

It is an arithmetic number, because the mean of its divisors is an integer number (5764857241).

Almost surely, 2^11529714481 is an apocalyptic number.

It is an amenable number.

11529714481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11529714481 is an equidigital number, since it uses as much as digits as its factorization.

11529714481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The spelling of 11529714481 in words is "eleven billion, five hundred twenty-nine million, seven hundred fourteen thousand, four hundred eighty-one".