445455011 has 2 divisors, whose sum is σ = 445455012. Its totient is φ = 445455010.

The previous prime is 445454959. The next prime is 445455013. The reversal of 445455011 is 110554544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445455011 - 2²⁶ = 378346147 is a prime.

Together with 445455013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445455013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222727505 + 222727506.

It is an arithmetic number, because the mean of its divisors is an integer number (222727506).

Almost surely, 2^445455011 is an apocalyptic number.

445455011 is a deficient number, since it is larger than the sum of its proper divisors (1).

445455011 is an equidigital number, since it uses as much as digits as its factorization.

445455011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 445455011 is about 21105.8051492948. The cubic root of 445455011 is about 763.7207954989.

It can be divided in two parts, 4454550 and 11, that multiplied together give a triangular number (49000050 = T₉₈₉₉).

The spelling of 445455011 in words is "four hundred forty-five million, four hundred fifty-five thousand, eleven".