51020411342 has 16 divisors (see below), whose sum is σ = 81715201920. Its totient is φ = 23833598712.

The previous prime is 51020411327. The next prime is 51020411401. The reversal of 51020411342 is 24311402015.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12894992 + ... + 12898947.

It is an arithmetic number, because the mean of its divisors is an integer number (5107200120).

Almost surely, 2^51020411342 is an apocalyptic number.

51020411342 is a deficient number, since it is larger than the sum of its proper divisors (30694790578).

51020411342 is a wasteful number, since it uses less digits than its factorization.

51020411342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794007.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 51020411342 its reverse (24311402015), we get a palindrome (75331813357).

The spelling of 51020411342 in words is "fifty-one billion, twenty million, four hundred eleven thousand, three hundred forty-two".