11259855953 has 4 divisors (see below), whose sum is σ = 11534486628. Its totient is φ = 10985225280.

The previous prime is 11259855949. The next prime is 11259855967. The reversal of 11259855953 is 35955895211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35955895211 = 577 ⋅62315243.

It can be written as a sum of positive squares in 2 ways, for example, as 4809838609 + 6450017344 = 69353^2 + 80312^2 .

It is a cyclic number.

It is not a de Polignac number, because 11259855953 - 2² = 11259855949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11259855895 and 11259855904.

It is not an unprimeable number, because it can be changed into a prime (11259855923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137315276 + ... + 137315357.

It is an arithmetic number, because the mean of its divisors is an integer number (2883621657).

Almost surely, 2^11259855953 is an apocalyptic number.

It is an amenable number.

11259855953 is a deficient number, since it is larger than the sum of its proper divisors (274630675).

11259855953 is an equidigital number, since it uses as much as digits as its factorization.

11259855953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274630674.

The product of its digits is 2430000, while the sum is 53.

The spelling of 11259855953 in words is "eleven billion, two hundred fifty-nine million, eight hundred fifty-five thousand, nine hundred fifty-three".