51140145414 has 32 divisors (see below), whose sum is σ = 103256778240. Its totient is φ = 16884083232.

The previous prime is 51140145377. The next prime is 51140145449. The reversal of 51140145414 is 41454104115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964109 + ... + 1989975.

It is an arithmetic number, because the mean of its divisors is an integer number (3226774320).

Almost surely, 2^51140145414 is an apocalyptic number.

51140145414 is an abundant number, since it is smaller than the sum of its proper divisors (52116632826).

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

51140145414 is a wasteful number, since it uses less digits than its factorization.

51140145414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29004.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 51140145414 its reverse (41454104115), we get a palindrome (92594249529).

The spelling of 51140145414 in words is "fifty-one billion, one hundred forty million, one hundred forty-five thousand, four hundred fourteen".