51071411292 has 96 divisors (see below), whose sum is σ = 136377561600. Its totient is φ = 14731987200.

The previous prime is 51071411269. The next prime is 51071411309. The reversal of 51071411292 is 29211417015.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 177834 + ... + 365742.

It is an arithmetic number, because the mean of its divisors is an integer number (1420599600).

Almost surely, 2^51071411292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51071411292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68188780800).

51071411292 is an abundant number, since it is smaller than the sum of its proper divisors (85306150308).

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

51071411292 is a wasteful number, since it uses less digits than its factorization.

51071411292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188027 (or 188025 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 51071411292 in words is "fifty-one billion, seventy-one million, four hundred eleven thousand, two hundred ninety-two".