11597941426 has 4 divisors (see below), whose sum is σ = 17396912142. Its totient is φ = 5798970712.

The previous prime is 11597941423. The next prime is 11597941457. The reversal of 11597941426 is 62414979511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8723373201 + 2874568225 = 93399^2 + 53615^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11597941426.

It is not an unprimeable number, because it can be changed into a prime (11597941423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2899485355 + ... + 2899485358.

Almost surely, 2^11597941426 is an apocalyptic number.

11597941426 is a deficient number, since it is larger than the sum of its proper divisors (5798970716).

11597941426 is an equidigital number, since it uses as much as digits as its factorization.

11597941426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798970715.

The product of its digits is 544320, while the sum is 49.

The spelling of 11597941426 in words is "eleven billion, five hundred ninety-seven million, nine hundred forty-one thousand, four hundred twenty-six".