71290771104 has 144 divisors (see below), whose sum is σ = 219282432768. Its totient is φ = 20219931648.

The previous prime is 71290771103. The next prime is 71290771151. The reversal of 71290771104 is 40117709217.

It is not an unprimeable number, because it can be changed into a prime (71290771103) 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, 589137 + ... + 699759.

It is an arithmetic number, because the mean of its divisors is an integer number (1522794672).

Almost surely, 2^71290771104 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 71290771104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109641216384).

71290771104 is an abundant number, since it is smaller than the sum of its proper divisors (147991661664).

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

71290771104 is a wasteful number, since it uses less digits than its factorization.

71290771104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110787 (or 110772 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 39.

The spelling of 71290771104 in words is "seventy-one billion, two hundred ninety million, seven hundred seventy-one thousand, one hundred four".