117551422749 has 16 divisors (see below), whose sum is σ = 164206008320. Its totient is φ = 74707688880.

The previous prime is 117551422721. The next prime is 117551422787. The reversal of 117551422749 is 947224155711.

It is not a de Polignac number, because 117551422749 - 2⁵ = 117551422717 is a prime.

It is a super-2 number, since 2×117551422749² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117551422698 and 117551422707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117551421749) 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, 9426559 + ... + 9439020.

It is an arithmetic number, because the mean of its divisors is an integer number (10262875520).

Almost surely, 2^117551422749 is an apocalyptic number.

It is an amenable number.

117551422749 is a deficient number, since it is larger than the sum of its proper divisors (46654585571).

117551422749 is a wasteful number, since it uses less digits than its factorization.

117551422749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865680.

The product of its digits is 705600, while the sum is 48.

The spelling of 117551422749 in words is "one hundred seventeen billion, five hundred fifty-one million, four hundred twenty-two thousand, seven hundred forty-nine".