10401995554903 has 2 divisors, whose sum is σ = 10401995554904. Its totient is φ = 10401995554902.

The previous prime is 10401995554891. The next prime is 10401995554949. The reversal of 10401995554903 is 30945559910401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10401995554903 - 2²⁵ = 10401962000471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10401995554303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200997777451 + 5200997777452.

It is an arithmetic number, because the mean of its divisors is an integer number (5200997777452).

Almost surely, 2^{10401995554903} is an apocalyptic number.

10401995554903 is a deficient number, since it is larger than the sum of its proper divisors (1).

10401995554903 is an equidigital number, since it uses as much as digits as its factorization.

10401995554903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374000, while the sum is 55.

The spelling of 10401995554903 in words is "ten trillion, four hundred one billion, nine hundred ninety-five million, five hundred fifty-four thousand, nine hundred three".