11542727461 has 2 divisors, whose sum is σ = 11542727462. Its totient is φ = 11542727460.

The previous prime is 11542727453. The next prime is 11542727513. The reversal of 11542727461 is 16472724511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10303265025 + 1239462436 = 101505^2 + 35206^2 .

It is an emirp because it is prime and its reverse (16472724511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11542727461 - 2³ = 11542727453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542727561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771363730 + 5771363731.

It is an arithmetic number, because the mean of its divisors is an integer number (5771363731).

Almost surely, 2^11542727461 is an apocalyptic number.

It is an amenable number.

11542727461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542727461 is an equidigital number, since it uses as much as digits as its factorization.

11542727461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The spelling of 11542727461 in words is "eleven billion, five hundred forty-two million, seven hundred twenty-seven thousand, four hundred sixty-one".