75623151136 has 48 divisors (see below), whose sum is σ = 160518394008. Its totient is φ = 34863206400.

The previous prime is 75623151127. The next prime is 75623151137. The reversal of 75623151136 is 63115132657.

It can be written as a sum of positive squares in 4 ways, for example, as 63885595536 + 11737555600 = 252756^2 + 108340^2 .

It is not an unprimeable number, because it can be changed into a prime (75623151137) 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, 263326 + ... + 469666.

Almost surely, 2^75623151136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75623151136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80259197004).

75623151136 is an abundant number, since it is smaller than the sum of its proper divisors (84895242872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75623151136 is a wasteful number, since it uses less digits than its factorization.

75623151136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207245 (or 207237 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The spelling of 75623151136 in words is "seventy-five billion, six hundred twenty-three million, one hundred fifty-one thousand, one hundred thirty-six".