11886457097 has 2 divisors, whose sum is σ = 11886457098. Its totient is φ = 11886457096.

The previous prime is 11886457091. The next prime is 11886457111. The reversal of 11886457097 is 79075468811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6544162816 + 5342294281 = 80896^2 + 73091^2 .

It is a cyclic number.

It is not a de Polignac number, because 11886457097 - 2²² = 11882262793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11886457091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943228548 + 5943228549.

It is an arithmetic number, because the mean of its divisors is an integer number (5943228549).

Almost surely, 2^11886457097 is an apocalyptic number.

It is an amenable number.

11886457097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11886457097 is an equidigital number, since it uses as much as digits as its factorization.

11886457097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 11886457097 in words is "eleven billion, eight hundred eighty-six million, four hundred fifty-seven thousand, ninety-seven".