71161765550652 has 96 divisors (see below), whose sum is σ = 189940216080384. Its totient is φ = 20313132364800.

The previous prime is 71161765550597. The next prime is 71161765550713. The reversal of 71161765550652 is 25605556716117.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71161765550592 and 71161765550601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060167652 + ... + 1060234772.

It is an arithmetic number, because the mean of its divisors is an integer number (1978543917504).

Almost surely, 2^{71161765550652} is an apocalyptic number.

It is an amenable number.

71161765550652 is an abundant number, since it is smaller than the sum of its proper divisors (118778450529732).

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

71161765550652 is a wasteful number, since it uses less digits than its factorization.

71161765550652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78619 (or 78617 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 57.

The spelling of 71161765550652 in words is "seventy-one trillion, one hundred sixty-one billion, seven hundred sixty-five million, five hundred fifty thousand, six hundred fifty-two".