117837534425 has 24 divisors (see below), whose sum is σ = 158011475160. Its totient is φ = 86657356800.

The previous prime is 117837534421. The next prime is 117837534469. The reversal of 117837534425 is 524435738711.

It can be written as a sum of positive squares in 12 ways, for example, as 7536496969 + 110301037456 = 86813^2 + 332116^2 .

It is not a de Polignac number, because 117837534425 - 2² = 117837534421 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117837534421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673910 + ... + 830559.

It is an arithmetic number, because the mean of its divisors is an integer number (6583811465).

Almost surely, 2^117837534425 is an apocalyptic number.

It is an amenable number.

117837534425 is a deficient number, since it is larger than the sum of its proper divisors (40173940735).

117837534425 is a wasteful number, since it uses less digits than its factorization.

117837534425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504733 (or 1504728 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The spelling of 117837534425 in words is "one hundred seventeen billion, eight hundred thirty-seven million, five hundred thirty-four thousand, four hundred twenty-five".