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97112121161575 = 52131571541935099
BaseRepresentation
bin10110000101001010101101…
…011111000011011101100111
3110201211211100200210101212111
4112011022231133003131213
5100212041111004132300
6542312405332501451
726312055615060142
oct2605125537033547
9421754320711774
1097112121161575
1128a41023762703
12aa84b90a7a887
1342258313ccb40
15b361984ba9ba

97112121161575 has 48 divisors (see below), whose sum is σ = 129792224016000. Its totient is φ = 71652651235200.

The previous prime is 97112121161567. The next prime is 97112121161593. The reversal of 97112121161575 is 57516112121179.

It is not a de Polignac number, because 97112121161575 - 23 = 97112121161567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2766788376 + ... + 2766823474.

It is an arithmetic number, because the mean of its divisors is an integer number (2704004667000).

Almost surely, 297112121161575 is an apocalyptic number.

97112121161575 is a deficient number, since it is larger than the sum of its proper divisors (32680102854425).

97112121161575 is a wasteful number, since it uses less digits than its factorization.

97112121161575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42112 (or 42107 counting only the distinct ones).

The product of its digits is 264600, while the sum is 49.

The spelling of 97112121161575 in words is "ninety-seven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred sixty-one thousand, five hundred seventy-five".