11572722658 has 16 divisors (see below), whose sum is σ = 20523055680. Its totient is φ = 4788712656.

The previous prime is 11572722653. The next prime is 11572722677. The reversal of 11572722658 is 85622727511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11572722653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14251716 + ... + 14252527.

It is an arithmetic number, because the mean of its divisors is an integer number (1282690980).

Almost surely, 2^11572722658 is an apocalyptic number.

11572722658 is a deficient number, since it is larger than the sum of its proper divisors (8950333022).

11572722658 is a wasteful number, since it uses less digits than its factorization.

11572722658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504281.

The product of its digits is 470400, while the sum is 46.

The spelling of 11572722658 in words is "eleven billion, five hundred seventy-two million, seven hundred twenty-two thousand, six hundred fifty-eight".