2111430245 has 16 divisors (see below), whose sum is σ = 2664714240. Its totient is φ = 1602969984.

The previous prime is 2111430239. The next prime is 2111430263. The reversal of 2111430245 is 5420341112.

It is a cyclic number.

It is not a de Polignac number, because 2111430245 - 2²⁸ = 1842994789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 2111430245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57680 + ... + 86889.

It is an arithmetic number, because the mean of its divisors is an integer number (166544640).

Almost surely, 2^2111430245 is an apocalyptic number.

It is an amenable number.

2111430245 is a deficient number, since it is larger than the sum of its proper divisors (553283995).

2111430245 is a wasteful number, since it uses less digits than its factorization.

2111430245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144724.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2111430245 is about 45950.3019032520. The cubic root of 2111430245 is about 1282.8983485966.

Adding to 2111430245 its reverse (5420341112), we get a palindrome (7531771357).

The spelling of 2111430245 in words is "two billion, one hundred eleven million, four hundred thirty thousand, two hundred forty-five".