2156550425303 has 2 divisors, whose sum is σ = 2156550425304. Its totient is φ = 2156550425302.

The previous prime is 2156550425269. The next prime is 2156550425329. The reversal of 2156550425303 is 3035240556512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2156550425303 - 2³⁴ = 2139370556119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2156550421303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078275212651 + 1078275212652.

It is an arithmetic number, because the mean of its divisors is an integer number (1078275212652).

Almost surely, 2^{2156550425303} is an apocalyptic number.

2156550425303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2156550425303 is an equidigital number, since it uses as much as digits as its factorization.

2156550425303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 2156550425303 in words is "two trillion, one hundred fifty-six billion, five hundred fifty million, four hundred twenty-five thousand, three hundred three".