97112121161571 has 24 divisors (see below), whose sum is σ = 140529479061296. Its totient is φ = 64623110126400.

The previous prime is 97112121161567. The next prime is 97112121161593. The reversal of 97112121161571 is 17516112121179.

97112121161571 is a `hidden beast` number, since 9 + 7 + 1 + 1 + 2 + 1 + 2 + 11 + 61 + 571 = 666.

It is not a de Polignac number, because 97112121161571 - 2² = 97112121161567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97112121161501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26416836 + ... + 29867598.

Almost surely, 2^{97112121161571} is an apocalyptic number.

97112121161571 is a deficient number, since it is larger than the sum of its proper divisors (43417357899725).

97112121161571 is a wasteful number, since it uses less digits than its factorization.

97112121161571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456483 (or 3456480 counting only the distinct ones).

The product of its digits is 52920, while the sum is 45.

The spelling of 97112121161571 in words is "ninety-seven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred sixty-one thousand, five hundred seventy-one".