2111523364634 has 8 divisors (see below), whose sum is σ = 3173139549588. Its totient is φ = 1053810181440.

The previous prime is 2111523364607. The next prime is 2111523364649. The reversal of 2111523364634 is 4364633251112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2032486476409 + 79036888225 = 1425653^2 + 281135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2111523364591 and 2111523364600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975749087 + ... + 975751250.

Almost surely, 2^{2111523364634} is an apocalyptic number.

2111523364634 is a deficient number, since it is larger than the sum of its proper divisors (1061616184954).

2111523364634 is a wasteful number, since it uses less digits than its factorization.

2111523364634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951500880.

The product of its digits is 311040, while the sum is 41.

The spelling of 2111523364634 in words is "two trillion, one hundred eleven billion, five hundred twenty-three million, three hundred sixty-four thousand, six hundred thirty-four".