51430535465100 has 72 divisors (see below), whose sum is σ = 162333471951168. Its totient is φ = 12468008596800.

The previous prime is 51430535465009. The next prime is 51430535465137. The reversal of 51430535465100 is 156453503415.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7792502074 + ... + 7792508673.

Almost surely, 2^{51430535465100} is an apocalyptic number.

51430535465100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51430535465100 is an abundant number, since it is smaller than the sum of its proper divisors (110902936486068).

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

51430535465100 is a wasteful number, since it uses less digits than its factorization.

51430535465100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15585010775 (or 15585010768 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 51430535465100 its reverse (156453503415), we get a palindrome (51586988968515).

The spelling of 51430535465100 in words is "fifty-one trillion, four hundred thirty billion, five hundred thirty-five million, four hundred sixty-five thousand, one hundred".