51231124051 has 8 divisors (see below), whose sum is σ = 52597566000. Its totient is φ = 49870248960.

The previous prime is 51231124033. The next prime is 51231124103. The reversal of 51231124051 is 15042113215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51231124051 - 2⁹ = 51231123539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51231424051) 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, 1373061 + ... + 1409878.

It is an arithmetic number, because the mean of its divisors is an integer number (6574695750).

Almost surely, 2^51231124051 is an apocalyptic number.

51231124051 is a deficient number, since it is larger than the sum of its proper divisors (1366441949).

51231124051 is a wasteful number, since it uses less digits than its factorization.

51231124051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783429.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 51231124051 its reverse (15042113215), we get a palindrome (66273237266).

The spelling of 51231124051 in words is "fifty-one billion, two hundred thirty-one million, one hundred twenty-four thousand, fifty-one".