11270572129 has 4 divisors (see below), whose sum is σ = 11510371584. Its totient is φ = 11030772676.

The previous prime is 11270572087. The next prime is 11270572213. The reversal of 11270572129 is 92127507211.

It is a happy number.

11270572129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11270572129 is a prime.

It is a super-2 number, since 2×11270572129² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11270573129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119899657 + ... + 119899750.

It is an arithmetic number, because the mean of its divisors is an integer number (2877592896).

Almost surely, 2^11270572129 is an apocalyptic number.

It is an amenable number.

11270572129 is a deficient number, since it is larger than the sum of its proper divisors (239799455).

11270572129 is an equidigital number, since it uses as much as digits as its factorization.

11270572129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239799454.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 11270572129 in words is "eleven billion, two hundred seventy million, five hundred seventy-two thousand, one hundred twenty-nine".