71055261400 has 96 divisors (see below), whose sum is σ = 174257150400. Its totient is φ = 26870659200.

The previous prime is 71055261373. The next prime is 71055261449. The reversal of 71055261400 is 416255017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1846759 + ... + 1884841.

It is an arithmetic number, because the mean of its divisors is an integer number (1815178650).

Almost surely, 2^71055261400 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 71055261400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87128575200).

71055261400 is an abundant number, since it is smaller than the sum of its proper divisors (103201889000).

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

71055261400 is a wasteful number, since it uses less digits than its factorization.

71055261400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38609 (or 38600 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 71055261400 in words is "seventy-one billion, fifty-five million, two hundred sixty-one thousand, four hundred".