11641288583 has 4 divisors (see below), whose sum is σ = 11756548968. Its totient is φ = 11526028200.

The previous prime is 11641288573. The next prime is 11641288601. The reversal of 11641288583 is 38588214611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11641288583 - 2²² = 11637094279 is a prime.

It is a super-2 number, since 2×11641288583² (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 (11641288553) 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, 57630041 + ... + 57630242.

It is an arithmetic number, because the mean of its divisors is an integer number (2939137242).

Almost surely, 2^11641288583 is an apocalyptic number.

11641288583 is a deficient number, since it is larger than the sum of its proper divisors (115260385).

11641288583 is a wasteful number, since it uses less digits than its factorization.

11641288583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115260384.

The product of its digits is 368640, while the sum is 47.

It can be divided in two parts, 1164128 and 8583, that added together give a palindrome (1172711).

The spelling of 11641288583 in words is "eleven billion, six hundred forty-one million, two hundred eighty-eight thousand, five hundred eighty-three".