97129509129075 has 24 divisors (see below), whose sum is σ = 160587856608256. Its totient is φ = 51802275348000.

The previous prime is 97129509129049. The next prime is 97129509129113. The reversal of 97129509129075 is 57092190592179.

It is not a de Polignac number, because 97129509129075 - 2⁵ = 97129509129043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97129509128997 and 97129509129015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33672030 + ... + 36442620.

Almost surely, 2^{97129509129075} is an apocalyptic number.

97129509129075 is a deficient number, since it is larger than the sum of its proper divisors (63458347479181).

97129509129075 is a wasteful number, since it uses less digits than its factorization.

97129509129075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238035 (or 3238030 counting only the distinct ones).

The product of its (nonzero) digits is 32148900, while the sum is 66.

The spelling of 97129509129075 in words is "ninety-seven trillion, one hundred twenty-nine billion, five hundred nine million, one hundred twenty-nine thousand, seventy-five".