97155541351870 has 16 divisors (see below), whose sum is σ = 174881019269088. Its totient is φ = 38861984355040.

The previous prime is 97155541351867. The next prime is 97155541351873. The reversal of 97155541351870 is 7815314555179.

It is an interprime number because it is at equal distance from previous prime (97155541351867) and next prime (97155541351873).

It is a junction number, because it is equal to n+sod(n) for n = 97155541351799 and 97155541351808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97155541351873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27260674 + ... + 30617893.

It is an arithmetic number, because the mean of its divisors is an integer number (10930063704318).

Almost surely, 2^{97155541351870} is an apocalyptic number.

97155541351870 is a deficient number, since it is larger than the sum of its proper divisors (77725477917218).

97155541351870 is a wasteful number, since it uses less digits than its factorization.

97155541351870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58046435.

The product of its (nonzero) digits is 26460000, while the sum is 61.

The spelling of 97155541351870 in words is "ninety-seven trillion, one hundred fifty-five billion, five hundred forty-one million, three hundred fifty-one thousand, eight hundred seventy".