51512510141 has 8 divisors (see below), whose sum is σ = 51596939904. Its totient is φ = 51428124000.

The previous prime is 51512510099. The next prime is 51512510143. The reversal of 51512510141 is 14101521515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51512510141 - 2²⁶ = 51445401277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51512510141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51512510143) 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, 3015761 + ... + 3032793.

It is an arithmetic number, because the mean of its divisors is an integer number (6449617488).

Almost surely, 2^51512510141 is an apocalyptic number.

It is an amenable number.

51512510141 is a deficient number, since it is larger than the sum of its proper divisors (84429763).

51512510141 is a wasteful number, since it uses less digits than its factorization.

51512510141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811.

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 51512510141 in words is "fifty-one billion, five hundred twelve million, five hundred ten thousand, one hundred forty-one".