11172466551 has 16 divisors (see below), whose sum is σ = 15134450400. Its totient is φ = 7329853440.

The previous prime is 11172466531. The next prime is 11172466559. The reversal of 11172466551 is 15566427111.

It is not a de Polignac number, because 11172466551 - 2⁵ = 11172466519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172466559) 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, 41521 + ... + 155141.

It is an arithmetic number, because the mean of its divisors is an integer number (945903150).

Almost surely, 2^11172466551 is an apocalyptic number.

11172466551 is a deficient number, since it is larger than the sum of its proper divisors (3961983849).

11172466551 is a wasteful number, since it uses less digits than its factorization.

11172466551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114146.

The product of its digits is 50400, while the sum is 39.

The spelling of 11172466551 in words is "eleven billion, one hundred seventy-two million, four hundred sixty-six thousand, five hundred fifty-one".