51100421030 has 8 divisors (see below), whose sum is σ = 91980757872. Its totient is φ = 20440168408.

The previous prime is 51100420999. The next prime is 51100421033. The reversal of 51100421030 is 3012400115.

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

It is a super-2 number, since 2×51100421030² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100421033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555021042 + ... + 2555021061.

It is an arithmetic number, because the mean of its divisors is an integer number (11497594734).

Almost surely, 2^51100421030 is an apocalyptic number.

51100421030 is a deficient number, since it is larger than the sum of its proper divisors (40880336842).

51100421030 is a wasteful number, since it uses less digits than its factorization.

51100421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110042110.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 51100421030 its reverse (3012400115), we get a palindrome (54112821145).

The spelling of 51100421030 in words is "fifty-one billion, one hundred million, four hundred twenty-one thousand, thirty".