119878834544657 has 12 divisors (see below), whose sum is σ = 124162398896796. Its totient is φ = 115738305735360.

The previous prime is 119878834544647. The next prime is 119878834544687. The reversal of 119878834544657 is 756445438878911.

It can be written as a sum of positive squares in 6 ways, for example, as 37668599056 + 119841165945601 = 194084^2 + 10947199^2 .

It is not a de Polignac number, because 119878834544657 - 2¹⁶ = 119878834479121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119878834544647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10231607 + ... + 18559187.

It is an arithmetic number, because the mean of its divisors is an integer number (10346866574733).

Almost surely, 2^{119878834544657} is an apocalyptic number.

It is an amenable number.

119878834544657 is a deficient number, since it is larger than the sum of its proper divisors (4283564352139).

119878834544657 is an equidigital number, since it uses as much as digits as its factorization.

119878834544657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344756 (or 8344727 counting only the distinct ones).

The product of its digits is 6502809600, while the sum is 80.

The spelling of 119878834544657 in words is "one hundred nineteen trillion, eight hundred seventy-eight billion, eight hundred thirty-four million, five hundred forty-four thousand, six hundred fifty-seven".