11271137253 has 16 divisors (see below), whose sum is σ = 15409337856. Its totient is φ = 7324233840.

The previous prime is 11271137237. The next prime is 11271137347. The reversal of 11271137253 is 35273117211.

It is not a de Polignac number, because 11271137253 - 2⁴ = 11271137237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271137153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26883 + ... + 152528.

It is an arithmetic number, because the mean of its divisors is an integer number (963083616).

Almost surely, 2^11271137253 is an apocalyptic number.

It is an amenable number.

11271137253 is a deficient number, since it is larger than the sum of its proper divisors (4138200603).

11271137253 is a wasteful number, since it uses less digits than its factorization.

11271137253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179944.

The product of its digits is 8820, while the sum is 33.

The spelling of 11271137253 in words is "eleven billion, two hundred seventy-one million, one hundred thirty-seven thousand, two hundred fifty-three".