11100605551 has 8 divisors (see below), whose sum is σ = 12687075104. Its totient is φ = 9514303200.

The previous prime is 11100605521. The next prime is 11100605567. The reversal of 11100605551 is 15550600111.

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 11100605551 - 2²⁷ = 10966387823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100605501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176461 + ... + 230953.

It is an arithmetic number, because the mean of its divisors is an integer number (1585884388).

Almost surely, 2^11100605551 is an apocalyptic number.

11100605551 is a deficient number, since it is larger than the sum of its proper divisors (1586469553).

11100605551 is an equidigital number, since it uses as much as digits as its factorization.

11100605551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83601.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11100605551 in words is "eleven billion, one hundred million, six hundred five thousand, five hundred fifty-one".