2155433719007 has 2 divisors, whose sum is σ = 2155433719008. Its totient is φ = 2155433719006.

The previous prime is 2155433719003. The next prime is 2155433719009. The reversal of 2155433719007 is 7009173345512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2155433719007 - 2² = 2155433719003 is a prime.

Together with 2155433719009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155433719003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077716859503 + 1077716859504.

It is an arithmetic number, because the mean of its divisors is an integer number (1077716859504).

Almost surely, 2^{2155433719007} is an apocalyptic number.

2155433719007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155433719007 is an equidigital number, since it uses as much as digits as its factorization.

2155433719007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 2155433719007 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-three million, seven hundred nineteen thousand, seven".