1260424355251 has 16 divisors (see below), whose sum is σ = 1273154366848. Its totient is φ = 1247765731200.

The previous prime is 1260424355233. The next prime is 1260424355257. The reversal of 1260424355251 is 1525534240621.

It is a cyclic number.

It is not a de Polignac number, because 1260424355251 - 2¹³ = 1260424347059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260424355257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60665701 + ... + 60686473.

It is an arithmetic number, because the mean of its divisors is an integer number (79572147928).

Almost surely, 2^{1260424355251} is an apocalyptic number.

1260424355251 is a deficient number, since it is larger than the sum of its proper divisors (12730011597).

1260424355251 is a wasteful number, since it uses less digits than its factorization.

1260424355251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 1260424355251 its reverse (1525534240621), we get a palindrome (2785958595872).

The spelling of 1260424355251 in words is "one trillion, two hundred sixty billion, four hundred twenty-four million, three hundred fifty-five thousand, two hundred fifty-one".