11532645427 has 2 divisors, whose sum is σ = 11532645428. Its totient is φ = 11532645426.

The previous prime is 11532645409. The next prime is 11532645491. The reversal of 11532645427 is 72454623511.

It is a weak prime.

It is an emirp because it is prime and its reverse (72454623511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11532645427 - 2¹⁵ = 11532612659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11532645427.

It is not a weakly prime, because it can be changed into another prime (11532645497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766322713 + 5766322714.

It is an arithmetic number, because the mean of its divisors is an integer number (5766322714).

Almost surely, 2^11532645427 is an apocalyptic number.

11532645427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532645427 is an equidigital number, since it uses as much as digits as its factorization.

11532645427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The spelling of 11532645427 in words is "eleven billion, five hundred thirty-two million, six hundred forty-five thousand, four hundred twenty-seven".