71255370000 has 100 divisors (see below), whose sum is σ = 230021931920. Its totient is φ = 19001424000.

The previous prime is 71255369981. The next prime is 71255370023. The reversal of 71255370000 is 7355217.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 71255370000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1157590 + ... + 1217589.

Almost surely, 2^71255370000 is an apocalyptic number.

It is an amenable number.

71255370000 is an abundant number, since it is smaller than the sum of its proper divisors (158766561920).

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

71255370000 is a wasteful number, since it uses less digits than its factorization.

71255370000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375210 (or 2375189 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The spelling of 71255370000 in words is "seventy-one billion, two hundred fifty-five million, three hundred seventy thousand".