51150321342 has 32 divisors (see below), whose sum is σ = 113690906400. Its totient is φ = 17046578304.

The previous prime is 51150321337. The next prime is 51150321349. The reversal of 51150321342 is 24312305115.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150321349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172134 + ... + 363222.

It is an arithmetic number, because the mean of its divisors is an integer number (3552840825).

Almost surely, 2^51150321342 is an apocalyptic number.

51150321342 is an abundant number, since it is smaller than the sum of its proper divisors (62540585058).

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

51150321342 is a wasteful number, since it uses less digits than its factorization.

51150321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196057 (or 196051 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51150321342 its reverse (24312305115), we get a palindrome (75462626457).

The spelling of 51150321342 in words is "fifty-one billion, one hundred fifty million, three hundred twenty-one thousand, three hundred forty-two".