11207175551 has 16 divisors (see below), whose sum is σ = 13171068288. Its totient is φ = 9401340000.

The previous prime is 11207175509. The next prime is 11207175589. The reversal of 11207175551 is 15557170211.

It is not a de Polignac number, because 11207175551 - 2¹⁰ = 11207174527 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 (11207175751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452840 + ... + 476946.

It is an arithmetic number, because the mean of its divisors is an integer number (823191768).

Almost surely, 2^11207175551 is an apocalyptic number.

11207175551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11207175551 is a deficient number, since it is larger than the sum of its proper divisors (1963892737).

11207175551 is a wasteful number, since it uses less digits than its factorization.

11207175551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27382.

The product of its (nonzero) digits is 12250, while the sum is 35.

The spelling of 11207175551 in words is "eleven billion, two hundred seven million, one hundred seventy-five thousand, five hundred fifty-one".