11555010650663 has 8 divisors (see below), whose sum is σ = 11643524643696. Its totient is φ = 11466501321600.

The previous prime is 11555010650657. The next prime is 11555010650723. The reversal of 11555010650663 is 36605601055511.

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

It is a cyclic number.

It is not a de Polignac number, because 11555010650663 - 2¹⁶ = 11555010585127 is a prime.

It is a super-2 number, since 2×11555010650663² (a number of 27 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 (11555010650063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891695 + ... + 6185087.

It is an arithmetic number, because the mean of its divisors is an integer number (1455440580462).

Almost surely, 2^{11555010650663} is an apocalyptic number.

11555010650663 is a deficient number, since it is larger than the sum of its proper divisors (88513993033).

11555010650663 is a wasteful number, since it uses less digits than its factorization.

11555010650663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331985.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 11555010650663 in words is "eleven trillion, five hundred fifty-five billion, ten million, six hundred fifty thousand, six hundred sixty-three".