71585857150 has 24 divisors (see below), whose sum is σ = 135661957704. Its totient is φ = 28094071200.

The previous prime is 71585857103. The next prime is 71585857153. The reversal of 71585857150 is 5175858517.

It is a super-2 number, since 2×71585857150² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71585857153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13504116 + ... + 13509415.

It is an arithmetic number, because the mean of its divisors is an integer number (5652581571).

Almost surely, 2^71585857150 is an apocalyptic number.

71585857150 is a deficient number, since it is larger than the sum of its proper divisors (64076100554).

71585857150 is a wasteful number, since it uses less digits than its factorization.

71585857150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27013596 (or 27013591 counting only the distinct ones).

The product of its (nonzero) digits is 1960000, while the sum is 52.

The spelling of 71585857150 in words is "seventy-one billion, five hundred eighty-five million, eight hundred fifty-seven thousand, one hundred fifty".