71204159156 has 48 divisors (see below), whose sum is σ = 142286544960. Its totient is φ = 30906489600.

The previous prime is 71204159119. The next prime is 71204159171. The reversal of 71204159156 is 65195140217.

It is a happy number.

It is a super-2 number, since 2×71204159156² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127670 + ... + 398381.

It is an arithmetic number, because the mean of its divisors is an integer number (2964303020).

Almost surely, 2^71204159156 is an apocalyptic number.

71204159156 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71204159156 is a deficient number, since it is larger than the sum of its proper divisors (71082385804).

71204159156 is a wasteful number, since it uses less digits than its factorization.

71204159156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526224 (or 526222 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 71204159156 in words is "seventy-one billion, two hundred four million, one hundred fifty-nine thousand, one hundred fifty-six".