1955562692205 has 16 divisors (see below), whose sum is σ = 3131778806784. Its totient is φ = 1042007269440.

The previous prime is 1955562692203. The next prime is 1955562692261. The reversal of 1955562692205 is 5022962655591.

It is not a de Polignac number, because 1955562692205 - 2¹ = 1955562692203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955562692203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59951886 + ... + 59984495.

It is an arithmetic number, because the mean of its divisors is an integer number (195736175424).

Almost surely, 2^{1955562692205} is an apocalyptic number.

1955562692205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1955562692205 is a deficient number, since it is larger than the sum of its proper divisors (1176216114579).

1955562692205 is a wasteful number, since it uses less digits than its factorization.

1955562692205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119937476.

The product of its (nonzero) digits is 14580000, while the sum is 57.

The spelling of 1955562692205 in words is "one trillion, nine hundred fifty-five billion, five hundred sixty-two million, six hundred ninety-two thousand, two hundred five".