11583787655 has 8 divisors (see below), whose sum is σ = 15164231184. Its totient is φ = 8424572800.

The previous prime is 11583787519. The next prime is 11583787661. The reversal of 11583787655 is 55678738511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11583787655 - 2¹⁸ = 11583525511 is a prime.

It is a super-2 number, since 2×11583787655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11583787655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105307106 + ... + 105307215.

It is an arithmetic number, because the mean of its divisors is an integer number (1895528898).

Almost surely, 2^11583787655 is an apocalyptic number.

11583787655 is a deficient number, since it is larger than the sum of its proper divisors (3580443529).

11583787655 is a wasteful number, since it uses less digits than its factorization.

11583787655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210614337.

The product of its digits is 7056000, while the sum is 56.

The spelling of 11583787655 in words is "eleven billion, five hundred eighty-three million, seven hundred eighty-seven thousand, six hundred fifty-five".