71750011112 has 32 divisors (see below), whose sum is σ = 145374362280. Its totient is φ = 33002353920.

The previous prime is 71750011051. The next prime is 71750011117. The reversal of 71750011112 is 21111005717.

It can be written as a sum of positive squares in 4 ways, for example, as 48605257156 + 23144753956 = 220466^2 + 152134^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (71750011117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146839 + ... + 1207782.

Almost surely, 2^71750011112 is an apocalyptic number.

It is an amenable number.

71750011112 is an abundant number, since it is smaller than the sum of its proper divisors (73624351168).

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

71750011112 is a wasteful number, since it uses less digits than its factorization.

71750011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354933 (or 2354929 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 26.

Adding to 71750011112 its reverse (21111005717), we get a palindrome (92861016829).

The spelling of 71750011112 in words is "seventy-one billion, seven hundred fifty million, eleven thousand, one hundred twelve".