1955046011 has 2 divisors, whose sum is σ = 1955046012. Its totient is φ = 1955046010.

The previous prime is 1955045971. The next prime is 1955046017. The reversal of 1955046011 is 1106405591.

It is a strong prime.

It is an emirp because it is prime and its reverse (1106405591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1955046011 - 2⁶ = 1955045947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1955046017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977523005 + 977523006.

It is an arithmetic number, because the mean of its divisors is an integer number (977523006).

Almost surely, 2^1955046011 is an apocalyptic number.

1955046011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955046011 is an equidigital number, since it uses as much as digits as its factorization.

1955046011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1955046011 is about 44215.9022411621. The cubic root of 1955046011 is about 1250.4096813943.

The spelling of 1955046011 in words is "one billion, nine hundred fifty-five million, forty-six thousand, eleven".