51335641066430 has 32 divisors (see below), whose sum is σ = 105634221686784. Its totient is φ = 17595878831136.

The previous prime is 51335641066427. The next prime is 51335641066453. The reversal of 51335641066430 is 3466014653315.

It is a happy number.

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, 102088892 + ... + 102590511.

It is an arithmetic number, because the mean of its divisors is an integer number (3301069427712).

Almost surely, 2^{51335641066430} is an apocalyptic number.

51335641066430 is an abundant number, since it is smaller than the sum of its proper divisors (54298580620354).

51335641066430 is a wasteful number, since it uses less digits than its factorization.

51335641066430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204683000.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 51335641066430 in words is "fifty-one trillion, three hundred thirty-five billion, six hundred forty-one million, sixty-six thousand, four hundred thirty".