2045551411 has 2 divisors, whose sum is σ = 2045551412. Its totient is φ = 2045551410.

The previous prime is 2045551397. The next prime is 2045551433. The reversal of 2045551411 is 1141555402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045551411 - 2¹³ = 2045543219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045551411.

It is not a weakly prime, because it can be changed into another prime (2045551441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022775705 + 1022775706.

It is an arithmetic number, because the mean of its divisors is an integer number (1022775706).

Almost surely, 2^2045551411 is an apocalyptic number.

2045551411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045551411 is an equidigital number, since it uses as much as digits as its factorization.

2045551411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 2045551411 is about 45227.7725628844. The cubic root of 2045551411 is about 1269.4145339130.

The spelling of 2045551411 in words is "two billion, forty-five million, five hundred fifty-one thousand, four hundred eleven".