5215011066 has 32 divisors (see below), whose sum is σ = 11591976000. Its totient is φ = 1737877680.

The previous prime is 5215011049. The next prime is 5215011107. The reversal of 5215011066 is 6601105125.

It is a happy number.

5215011066 is a `hidden beast` number, since 52 + 1 + 501 + 106 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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, 239085 + ... + 259983.

It is an arithmetic number, because the mean of its divisors is an integer number (362249250).

Almost surely, 2^5215011066 is an apocalyptic number.

5215011066 is an abundant number, since it is smaller than the sum of its proper divisors (6376964934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5215011066 is a wasteful number, since it uses less digits than its factorization.

5215011066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531 (or 25525 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 5215011066 is about 72215.0335179594. The cubic root of 5215011066 is about 1734.1436824941.

The spelling of 5215011066 in words is "five billion, two hundred fifteen million, eleven thousand, sixty-six".