51651066115000 has 120 divisors (see below), whose sum is σ = 133020279010080. Its totient is φ = 18782205640000.

The previous prime is 51651066114983. The next prime is 51651066115009. The reversal of 51651066115000 is 51166015615.

It is a super-2 number, since 2×51651066115000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51651066115009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 42081832 + ... + 43291831.

It is an arithmetic number, because the mean of its divisors is an integer number (1108502325084).

Almost surely, 2^{51651066115000} is an apocalyptic number.

51651066115000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51651066115000 is an abundant number, since it is smaller than the sum of its proper divisors (81369212895080).

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

51651066115000 is a wasteful number, since it uses less digits than its factorization.

51651066115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85373711 (or 85373681 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 51651066115000 in words is "fifty-one trillion, six hundred fifty-one billion, sixty-six million, one hundred fifteen thousand".