11265033157 has 4 divisors (see below), whose sum is σ = 12874323616. Its totient is φ = 9655742700.

The previous prime is 11265033107. The next prime is 11265033161. The reversal of 11265033157 is 75133056211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75133056211 = 43 ⋅1747280377.

It is a cyclic number.

It is not a de Polignac number, because 11265033157 - 2¹⁵ = 11265000389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11265033107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804645219 + ... + 804645232.

It is an arithmetic number, because the mean of its divisors is an integer number (3218580904).

Almost surely, 2^11265033157 is an apocalyptic number.

It is an amenable number.

11265033157 is a deficient number, since it is larger than the sum of its proper divisors (1609290459).

11265033157 is an equidigital number, since it uses as much as digits as its factorization.

11265033157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609290458.

The product of its (nonzero) digits is 18900, while the sum is 34.

Adding to 11265033157 its reverse (75133056211), we get a palindrome (86398089368).

The spelling of 11265033157 in words is "eleven billion, two hundred sixty-five million, thirty-three thousand, one hundred fifty-seven".