11125574722 has 4 divisors (see below), whose sum is σ = 16688362086. Its totient is φ = 5562787360.

The previous prime is 11125574701. The next prime is 11125574729. The reversal of 11125574722 is 22747552111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22747552111 = 4451 ⋅5110661.

It can be written as a sum of positive squares in only one way, i.e., 9942283521 + 1183291201 = 99711^2 + 34399^2 .

It is not an unprimeable number, because it can be changed into a prime (11125574729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781393679 + ... + 2781393682.

Almost surely, 2^11125574722 is an apocalyptic number.

11125574722 is a deficient number, since it is larger than the sum of its proper divisors (5562787364).

11125574722 is an equidigital number, since it uses as much as digits as its factorization.

11125574722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562787363.

The product of its digits is 39200, while the sum is 37.

The spelling of 11125574722 in words is "eleven billion, one hundred twenty-five million, five hundred seventy-four thousand, seven hundred twenty-two".