1945111341 has 16 divisors (see below), whose sum is σ = 2615261184. Its totient is φ = 1285872384.

The previous prime is 1945111319. The next prime is 1945111361. The reversal of 1945111341 is 1431115491.

It is not a de Polignac number, because 1945111341 - 2¹¹ = 1945109293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1945111299 and 1945111308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945111361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488340 + ... + 492306.

It is an arithmetic number, because the mean of its divisors is an integer number (163453824).

Almost surely, 2^1945111341 is an apocalyptic number.

It is an amenable number.

1945111341 is a deficient number, since it is larger than the sum of its proper divisors (670149843).

1945111341 is a wasteful number, since it uses less digits than its factorization.

1945111341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300.

The product of its digits is 2160, while the sum is 30.

The square root of 1945111341 is about 44103.4164322901. The cubic root of 1945111341 is about 1248.2880759365.

The spelling of 1945111341 in words is "one billion, nine hundred forty-five million, one hundred eleven thousand, three hundred forty-one".