51142555014420 has 48 divisors (see below), whose sum is σ = 145546681166208. Its totient is φ = 13414440658560.

The previous prime is 51142555014413. The next prime is 51142555014427. The reversal of 51142555014420 is 2441055524115.

It is an interprime number because it is at equal distance from previous prime (51142555014413) and next prime (51142555014427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51142555014427) 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, 6986684184 + ... + 6986691503.

It is an arithmetic number, because the mean of its divisors is an integer number (3032222524296).

Almost surely, 2^{51142555014420} is an apocalyptic number.

It is an amenable number.

51142555014420 is an abundant number, since it is smaller than the sum of its proper divisors (94404126151788).

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

51142555014420 is a wasteful number, since it uses less digits than its factorization.

51142555014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973375760 (or 13973375758 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 51142555014420 in words is "fifty-one trillion, one hundred forty-two billion, five hundred fifty-five million, fourteen thousand, four hundred twenty".