51153321342 has 16 divisors (see below), whose sum is σ = 102309550992. Its totient is φ = 17050622400.

The previous prime is 51153321301. The next prime is 51153321347. The reversal of 51153321342 is 24312335115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51153321347) 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, 156378 + ... + 356034.

It is an arithmetic number, because the mean of its divisors is an integer number (6394346937).

Almost surely, 2^51153321342 is an apocalyptic number.

51153321342 is an abundant number, since it is smaller than the sum of its proper divisors (51156229650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51153321342 is a wasteful number, since it uses less digits than its factorization.

51153321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242363.

The product of its digits is 10800, while the sum is 30.

Adding to 51153321342 its reverse (24312335115), we get a palindrome (75465656457).

The spelling of 51153321342 in words is "fifty-one billion, one hundred fifty-three million, three hundred twenty-one thousand, three hundred forty-two".