11157270539 has 4 divisors (see below), whose sum is σ = 11215685760. Its totient is φ = 11098855320.

The previous prime is 11157270517. The next prime is 11157270541. The reversal of 11157270539 is 93507275111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93507275111 = 30467 ⋅3069133.

It is a cyclic number.

It is not a de Polignac number, because 11157270539 - 2⁸ = 11157270283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11157270496 and 11157270505.

It is not an unprimeable number, because it can be changed into a prime (11157270569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29207324 + ... + 29207705.

It is an arithmetic number, because the mean of its divisors is an integer number (2803921440).

Almost surely, 2^11157270539 is an apocalyptic number.

11157270539 is a deficient number, since it is larger than the sum of its proper divisors (58415221).

11157270539 is an equidigital number, since it uses as much as digits as its factorization.

11157270539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58415220.

The product of its (nonzero) digits is 66150, while the sum is 41.

The spelling of 11157270539 in words is "eleven billion, one hundred fifty-seven million, two hundred seventy thousand, five hundred thirty-nine".