11540913698 has 4 divisors (see below), whose sum is σ = 17311370550. Its totient is φ = 5770456848.

The previous prime is 11540913691. The next prime is 11540913701. The reversal of 11540913698 is 89631904511.

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., 9174383089 + 2366530609 = 95783^2 + 48647^2 .

It is not an unprimeable number, because it can be changed into a prime (11540913691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885228423 + ... + 2885228426.

Almost surely, 2^11540913698 is an apocalyptic number.

11540913698 is a deficient number, since it is larger than the sum of its proper divisors (5770456852).

11540913698 is an equidigital number, since it uses as much as digits as its factorization.

11540913698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770456851.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 11540913698 in words is "eleven billion, five hundred forty million, nine hundred thirteen thousand, six hundred ninety-eight".