1950055554901 has 2 divisors, whose sum is σ = 1950055554902. Its totient is φ = 1950055554900.

The previous prime is 1950055554899. The next prime is 1950055554959. The reversal of 1950055554901 is 1094555500591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1498506498225 + 451549056676 = 1224135^2 + 671974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1950055554901 - 2¹ = 1950055554899 is a prime.

Together with 1950055554899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1950055551901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975027777450 + 975027777451.

It is an arithmetic number, because the mean of its divisors is an integer number (975027777451).

Almost surely, 2^{1950055554901} is an apocalyptic number.

It is an amenable number.

1950055554901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950055554901 is an equidigital number, since it uses as much as digits as its factorization.

1950055554901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1012500, while the sum is 49.

The spelling of 1950055554901 in words is "one trillion, nine hundred fifty billion, fifty-five million, five hundred fifty-four thousand, nine hundred one".