11457537461 has 2 divisors, whose sum is σ = 11457537462. Its totient is φ = 11457537460.

The previous prime is 11457537449. The next prime is 11457537479. The reversal of 11457537461 is 16473575411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8643234961 + 2814302500 = 92969^2 + 53050^2 .

It is an emirp because it is prime and its reverse (16473575411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11457537461 - 2⁶ = 11457537397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457537661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728768730 + 5728768731.

It is an arithmetic number, because the mean of its divisors is an integer number (5728768731).

Almost surely, 2^11457537461 is an apocalyptic number.

It is an amenable number.

11457537461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457537461 is an equidigital number, since it uses as much as digits as its factorization.

11457537461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The spelling of 11457537461 in words is "eleven billion, four hundred fifty-seven million, five hundred thirty-seven thousand, four hundred sixty-one".