11634886457 has 2 divisors, whose sum is σ = 11634886458. Its totient is φ = 11634886456.

The previous prime is 11634886453. The next prime is 11634886477. The reversal of 11634886457 is 75468843611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11633995321 + 891136 = 107861^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 11634886457 - 2² = 11634886453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11634886399 and 11634886408.

It is not a weakly prime, because it can be changed into another prime (11634886453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5817443228 + 5817443229.

It is an arithmetic number, because the mean of its divisors is an integer number (5817443229).

Almost surely, 2^11634886457 is an apocalyptic number.

It is an amenable number.

11634886457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634886457 is an equidigital number, since it uses as much as digits as its factorization.

11634886457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The spelling of 11634886457 in words is "eleven billion, six hundred thirty-four million, eight hundred eighty-six thousand, four hundred fifty-seven".