11261263474 has 4 divisors (see below), whose sum is σ = 16891895214. Its totient is φ = 5630631736.

The previous prime is 11261263399. The next prime is 11261263511. The reversal of 11261263474 is 47436216211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47436216211 = 8941 ⋅5305471.

It can be written as a sum of positive squares in only one way, i.e., 11133415225 + 127848249 = 105515^2 + 11307^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815315867 + ... + 2815315870.

Almost surely, 2^11261263474 is an apocalyptic number.

11261263474 is a deficient number, since it is larger than the sum of its proper divisors (5630631740).

11261263474 is an equidigital number, since it uses as much as digits as its factorization.

11261263474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630631739.

The product of its digits is 48384, while the sum is 37.

Adding to 11261263474 its reverse (47436216211), we get a palindrome (58697479685).

The spelling of 11261263474 in words is "eleven billion, two hundred sixty-one million, two hundred sixty-three thousand, four hundred seventy-four".