1251351404325 has 288 divisors, whose sum is σ = 2610622909440. Its totient is φ = 567137894400.

The previous prime is 1251351404309. The next prime is 1251351404327. The reversal of 1251351404325 is 5234041531521.

1251351404325 is a `hidden beast` number, since 1 + 2 + 51 + 35 + 140 + 432 + 5 = 666.

It is not a de Polignac number, because 1251351404325 - 2⁴ = 1251351404309 is a prime.

It is a super-2 number, since 2×1251351404325² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1251351404325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251351404327) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 592214469 + ... + 592216581.

It is an arithmetic number, because the mean of its divisors is an integer number (9064662880).

Almost surely, 2^{1251351404325} is an apocalyptic number.

1251351404325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1251351404325 is an abundant number, since it is smaller than the sum of its proper divisors (1359271505115).

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

1251351404325 is a wasteful number, since it uses less digits than its factorization.

1251351404325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1251351404325 its reverse (5234041531521), we get a palindrome (6485392935846).

The spelling of 1251351404325 in words is "one trillion, two hundred fifty-one billion, three hundred fifty-one million, four hundred four thousand, three hundred twenty-five".