97155740097745 has 128 divisors (see below), whose sum is σ = 142563417292800. Its totient is φ = 62153937871872.

The previous prime is 97155740097733. The next prime is 97155740097751. The reversal of 97155740097745 is 54779004755179.

It is not a de Polignac number, because 97155740097745 - 2¹⁷ = 97155739966673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6362932971 + ... + 6362948239.

It is an arithmetic number, because the mean of its divisors is an integer number (1113776697600).

Almost surely, 2^{97155740097745} is an apocalyptic number.

It is an amenable number.

97155740097745 is a deficient number, since it is larger than the sum of its proper divisors (45407677195055).

97155740097745 is a wasteful number, since it uses less digits than its factorization.

97155740097745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047.

The product of its (nonzero) digits is 388962000, while the sum is 70.

The spelling of 97155740097745 in words is "ninety-seven trillion, one hundred fifty-five billion, seven hundred forty million, ninety-seven thousand, seven hundred forty-five".