11116604551 has 8 divisors (see below), whose sum is σ = 12015907904. Its totient is φ = 10223612640.

The previous prime is 11116604537. The next prime is 11116604573. The reversal of 11116604551 is 15540661111.

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 11116604551 - 2⁹ = 11116604039 is a prime.

It is a super-3 number, since 3×11116604551³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116604581) 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, 1574196 + ... + 1581241.

It is an arithmetic number, because the mean of its divisors is an integer number (1501988488).

Almost surely, 2^11116604551 is an apocalyptic number.

11116604551 is a deficient number, since it is larger than the sum of its proper divisors (899303353).

11116604551 is a wasteful number, since it uses less digits than its factorization.

11116604551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155721.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 11116604551 in words is "eleven billion, one hundred sixteen million, six hundred four thousand, five hundred fifty-one".