1251414532450 has 24 divisors (see below), whose sum is σ = 2337884932752. Its totient is φ = 498360672720.

The previous prime is 1251414532411. The next prime is 1251414532451. The reversal of 1251414532450 is 542354141521.

It is not an unprimeable number, because it can be changed into a prime (1251414532451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55117044 + ... + 55139743.

It is an arithmetic number, because the mean of its divisors is an integer number (97411872198).

Almost surely, 2^{1251414532450} is an apocalyptic number.

1251414532450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251414532450 is a deficient number, since it is larger than the sum of its proper divisors (1086470400302).

1251414532450 is a wasteful number, since it uses less digits than its factorization.

1251414532450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110257026 (or 110257021 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 1251414532450 its reverse (542354141521), we get a palindrome (1793768673971).

The spelling of 1251414532450 in words is "one trillion, two hundred fifty-one billion, four hundred fourteen million, five hundred thirty-two thousand, four hundred fifty".