51173744233412 has 24 divisors (see below), whose sum is σ = 92958793173120. Its totient is φ = 24631938272160.

The previous prime is 51173744233411. The next prime is 51173744233453. The reversal of 51173744233412 is 21433244737115.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (51173744233411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231142362 + ... + 2231165297.

It is an arithmetic number, because the mean of its divisors is an integer number (3873283048880).

Almost surely, 2^{51173744233412} is an apocalyptic number.

It is an amenable number.

51173744233412 is a deficient number, since it is larger than the sum of its proper divisors (41785048939708).

51173744233412 is a wasteful number, since it uses less digits than its factorization.

51173744233412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462307771 (or 4462307769 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 51173744233412 in words is "fifty-one trillion, one hundred seventy-three billion, seven hundred forty-four million, two hundred thirty-three thousand, four hundred twelve".