51001051011000 has 64 divisors (see below), whose sum is σ = 159123279163680. Its totient is φ = 13600280268800.

The previous prime is 51001051010969. The next prime is 51001051011067. The reversal of 51001051011000 is 11015010015.

It is a super-2 number, since 2×51001051011000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 8500172169 + ... + 8500178168.

Almost surely, 2^{51001051011000} is an apocalyptic number.

51001051011000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51001051011000 is an abundant number, since it is smaller than the sum of its proper divisors (108122228152680).

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

51001051011000 is a wasteful number, since it uses less digits than its factorization.

51001051011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000350361 (or 17000350347 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 51001051011000 its reverse (11015010015), we get a palindrome (51012066021015).

The spelling of 51001051011000 in words is "fifty-one trillion, one billion, fifty-one million, eleven thousand".