11375026389 has 6 divisors (see below), whose sum is σ = 16430593686. Its totient is φ = 7583350920.

The previous prime is 11375026387. The next prime is 11375026393. The reversal of 11375026389 is 98362057311.

11375026389 is a `hidden beast` number, since 1 + 1 + 3 + 7 + 5 + 0 + 2 + 638 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10720945764 + 654080625 = 103542^2 + 25575^2 .

It is not a de Polignac number, because 11375026389 - 2¹ = 11375026387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11375026387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631945902 + ... + 631945919.

It is an arithmetic number, because the mean of its divisors is an integer number (2738432281).

Almost surely, 2^11375026389 is an apocalyptic number.

It is an amenable number.

11375026389 is a deficient number, since it is larger than the sum of its proper divisors (5055567297).

11375026389 is a wasteful number, since it uses less digits than its factorization.

11375026389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263891827 (or 1263891824 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 11375026389 in words is "eleven billion, three hundred seventy-five million, twenty-six thousand, three hundred eighty-nine".