11641869037 has 4 divisors (see below), whose sum is σ = 12148037280. Its totient is φ = 11135700796.

The previous prime is 11641869017. The next prime is 11641869067. The reversal of 11641869037 is 73096814611.

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 not a de Polignac number, because 11641869037 - 2¹¹ = 11641866989 is a prime.

It is a super-2 number, since 2×11641869037² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641869017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253084087 + ... + 253084132.

It is an arithmetic number, because the mean of its divisors is an integer number (3037009320).

Almost surely, 2^11641869037 is an apocalyptic number.

It is an amenable number.

11641869037 is a deficient number, since it is larger than the sum of its proper divisors (506168243).

11641869037 is an equidigital number, since it uses as much as digits as its factorization.

11641869037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506168242.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11641869037 in words is "eleven billion, six hundred forty-one million, eight hundred sixty-nine thousand, thirty-seven".