2135546231803 has 2 divisors, whose sum is σ = 2135546231804. Its totient is φ = 2135546231802.

The previous prime is 2135546231779. The next prime is 2135546231839. The reversal of 2135546231803 is 3081326455312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2135546231803 - 2³³ = 2126956297211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2135546231803.

It is not a weakly prime, because it can be changed into another prime (2135547231803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067773115901 + 1067773115902.

It is an arithmetic number, because the mean of its divisors is an integer number (1067773115902).

Almost surely, 2^{2135546231803} is an apocalyptic number.

2135546231803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135546231803 is an equidigital number, since it uses as much as digits as its factorization.

2135546231803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2135546231803 in words is "two trillion, one hundred thirty-five billion, five hundred forty-six million, two hundred thirty-one thousand, eight hundred three".