11432138265 has 24 divisors (see below), whose sum is σ = 19818194760. Its totient is φ = 6096374784.

The previous prime is 11432138203. The next prime is 11432138287. The reversal of 11432138265 is 56283123411.

It can be written as a sum of positive squares in 4 ways, for example, as 354154761 + 11077983504 = 18819^2 + 105252^2 .

It is not a de Polignac number, because 11432138265 - 2¹² = 11432134169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681519 + ... + 698091.

It is an arithmetic number, because the mean of its divisors is an integer number (825758115).

Almost surely, 2^11432138265 is an apocalyptic number.

11432138265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11432138265 is a deficient number, since it is larger than the sum of its proper divisors (8386056495).

11432138265 is a wasteful number, since it uses less digits than its factorization.

11432138265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31913 (or 31910 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 11432138265 in words is "eleven billion, four hundred thirty-two million, one hundred thirty-eight thousand, two hundred sixty-five".