51161041233603 has 48 divisors (see below), whose sum is σ = 85420980216000. Its totient is φ = 28902155304960.

The previous prime is 51161041233539. The next prime is 51161041233611. The reversal of 51161041233603 is 30633214016115.

51161041233603 is a `hidden beast` number, since 5 + 1 + 1 + 6 + 1 + 0 + 4 + 12 + 33 + 603 = 666.

It is not a de Polignac number, because 51161041233603 - 2⁶ = 51161041233539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51161041233613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5213238 + ... + 11379803.

It is an arithmetic number, because the mean of its divisors is an integer number (1779603754500).

Almost surely, 2^{51161041233603} is an apocalyptic number.

51161041233603 is a deficient number, since it is larger than the sum of its proper divisors (34259938982397).

51161041233603 is a wasteful number, since it uses less digits than its factorization.

51161041233603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16593612 (or 16593609 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 51161041233603 its reverse (30633214016115), we get a palindrome (81794255249718).

The spelling of 51161041233603 in words is "fifty-one trillion, one hundred sixty-one billion, forty-one million, two hundred thirty-three thousand, six hundred three".