11404531057 has 2 divisors, whose sum is σ = 11404531058. Its totient is φ = 11404531056.

The previous prime is 11404531009. The next prime is 11404531091. The reversal of 11404531057 is 75013540411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8268083041 + 3136448016 = 90929^2 + 56004^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404531057 - 2¹⁹ = 11404006769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11404531657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702265528 + 5702265529.

It is an arithmetic number, because the mean of its divisors is an integer number (5702265529).

Almost surely, 2^11404531057 is an apocalyptic number.

It is an amenable number.

11404531057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404531057 is an equidigital number, since it uses as much as digits as its factorization.

11404531057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 11404531057 in words is "eleven billion, four hundred four million, five hundred thirty-one thousand, fifty-seven".