51135454141450 has 48 divisors (see below), whose sum is σ = 108892437491520. Its totient is φ = 17501015041920.

The previous prime is 51135454141427. The next prime is 51135454141469. The reversal of 51135454141450 is 5414145453115.

It is a super-2 number, since 2×51135454141450² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51135454141397 and 51135454141406.

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, 129555435 + ... + 129949534.

It is an arithmetic number, because the mean of its divisors is an integer number (2268592447740).

Almost surely, 2^{51135454141450} is an apocalyptic number.

51135454141450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51135454141450 is an abundant number, since it is smaller than the sum of its proper divisors (57756983350070).

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

51135454141450 is a wasteful number, since it uses less digits than its factorization.

51135454141450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259505551 (or 259505546 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 43.

Adding to 51135454141450 its reverse (5414145453115), we get a palindrome (56549599594565).

The spelling of 51135454141450 in words is "fifty-one trillion, one hundred thirty-five billion, four hundred fifty-four million, one hundred forty-one thousand, four hundred fifty".