71121111932 has 12 divisors (see below), whose sum is σ = 134035941816. Its totient is φ = 32825128560.

The previous prime is 71121111931. The next prime is 71121112061. The reversal of 71121111932 is 23911112117.

It is a junction number, because it is equal to n+sod(n) for n = 71121111895 and 71121111904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71121111931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683856794 + ... + 683856897.

It is an arithmetic number, because the mean of its divisors is an integer number (11169661818).

Almost surely, 2^71121111932 is an apocalyptic number.

It is an amenable number.

71121111932 is a deficient number, since it is larger than the sum of its proper divisors (62914829884).

71121111932 is a wasteful number, since it uses less digits than its factorization.

71121111932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367713708 (or 1367713706 counting only the distinct ones).

The product of its digits is 756, while the sum is 29.

The spelling of 71121111932 in words is "seventy-one billion, one hundred twenty-one million, one hundred eleven thousand, nine hundred thirty-two".