1955703084895 has 80 divisors (see below), whose sum is σ = 2907053478720. Its totient is φ = 1258605100032.

The previous prime is 1955703084883. The next prime is 1955703084917. The reversal of 1955703084895 is 5984803075591.

It is a happy number.

It is not a de Polignac number, because 1955703084895 - 2¹¹ = 1955703082847 is a prime.

It is a super-2 number, since 2×1955703084895² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 73253169 + ... + 73279861.

It is an arithmetic number, because the mean of its divisors is an integer number (36338168484).

Almost surely, 2^{1955703084895} is an apocalyptic number.

1955703084895 is a deficient number, since it is larger than the sum of its proper divisors (951350393825).

1955703084895 is an equidigital number, since it uses as much as digits as its factorization.

1955703084895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27102 (or 27081 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 64.

The spelling of 1955703084895 in words is "one trillion, nine hundred fifty-five billion, seven hundred three million, eighty-four thousand, eight hundred ninety-five".