1597063018955 has 4 divisors (see below), whose sum is σ = 1916475622752. Its totient is φ = 1277650415160.

The previous prime is 1597063018921. The next prime is 1597063018961. The reversal of 1597063018955 is 5598103607951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1597063018955 - 2⁸ = 1597063018699 is a prime.

It is a super-2 number, since 2×1597063018955² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1597063018894 and 1597063018903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159706301891 + ... + 159706301900.

It is an arithmetic number, because the mean of its divisors is an integer number (479118905688).

Almost surely, 2^{1597063018955} is an apocalyptic number.

1597063018955 is a deficient number, since it is larger than the sum of its proper divisors (319412603797).

1597063018955 is an equidigital number, since it uses as much as digits as its factorization.

1597063018955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319412603796.

The product of its (nonzero) digits is 10206000, while the sum is 59.

The spelling of 1597063018955 in words is "one trillion, five hundred ninety-seven billion, sixty-three million, eighteen thousand, nine hundred fifty-five".