51152201630 has 16 divisors (see below), whose sum is σ = 92149641360. Its totient is φ = 20444063232.

The previous prime is 51152201599. The next prime is 51152201647. The reversal of 51152201630 is 3610225115.

It is a self number, because there is not a number n which added to its sum of digits gives 51152201630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089400 + ... + 2113739.

It is an arithmetic number, because the mean of its divisors is an integer number (5759352585).

Almost surely, 2^51152201630 is an apocalyptic number.

51152201630 is a deficient number, since it is larger than the sum of its proper divisors (40997439730).

51152201630 is a wasteful number, since it uses less digits than its factorization.

51152201630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204363.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 51152201630 its reverse (3610225115), we get a palindrome (54762426745).

The spelling of 51152201630 in words is "fifty-one billion, one hundred fifty-two million, two hundred one thousand, six hundred thirty".