71193869056 has 18 divisors (see below), whose sum is σ = 142109637572. Its totient is φ = 35596934400.

The previous prime is 71193868997. The next prime is 71193869059. The reversal of 71193869056 is 65096839117.

It is a happy number.

It is a super-2 number, since 2×71193869056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71193868988 and 71193869006.

It is not an unprimeable number, because it can be changed into a prime (71193869059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139050270 + ... + 139050781.

Almost surely, 2^71193869056 is an apocalyptic number.

It is an amenable number.

71193869056 is a deficient number, since it is larger than the sum of its proper divisors (70915768516).

71193869056 is an equidigital number, since it uses as much as digits as its factorization.

71193869056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278101067 (or 278101053 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 71193869056 in words is "seventy-one billion, one hundred ninety-three million, eight hundred sixty-nine thousand, fifty-six".