11564197486 has 16 divisors (see below), whose sum is σ = 17988089184. Its totient is φ = 5571202464.

The previous prime is 11564197483. The next prime is 11564197493. The reversal of 11564197486 is 68479146511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564197481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750985 + ... + 766228.

It is an arithmetic number, because the mean of its divisors is an integer number (1124255574).

Almost surely, 2^11564197486 is an apocalyptic number.

11564197486 is a deficient number, since it is larger than the sum of its proper divisors (6423891698).

11564197486 is a wasteful number, since it uses less digits than its factorization.

11564197486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517355.

The product of its digits is 1451520, while the sum is 52.

The spelling of 11564197486 in words is "eleven billion, five hundred sixty-four million, one hundred ninety-seven thousand, four hundred eighty-six".