1955198017352 has 64 divisors (see below), whose sum is σ = 4076947296000. Its totient is φ = 875184500736.

The previous prime is 1955198017351. The next prime is 1955198017379. The reversal of 1955198017352 is 2537108915591.

It is not an unprimeable number, because it can be changed into a prime (1955198017351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511513 + ... + 4925864.

It is an arithmetic number, because the mean of its divisors is an integer number (63702301500).

Almost surely, 2^{1955198017352} is an apocalyptic number.

It is an amenable number.

1955198017352 is an abundant number, since it is smaller than the sum of its proper divisors (2121749278648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1955198017352 is a wasteful number, since it uses less digits than its factorization.

1955198017352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437478 (or 9437474 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 56.

The spelling of 1955198017352 in words is "one trillion, nine hundred fifty-five billion, one hundred ninety-eight million, seventeen thousand, three hundred fifty-two".