1252615800069 has 24 divisors (see below), whose sum is σ = 1916053738560. Its totient is φ = 785836695168.

The previous prime is 1252615800031. The next prime is 1252615800119. The reversal of 1252615800069 is 9600085162521.

1252615800069 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 6 + 1 + 580 + 0 + 0 + 69 = 666.

It is not a de Polignac number, because 1252615800069 - 2¹⁵ = 1252615767301 is a prime.

It is a super-2 number, since 2×1252615800069² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252615799997 and 1252615800033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252615100069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408994 + ... + 1634780.

It is an arithmetic number, because the mean of its divisors is an integer number (79835572440).

Almost surely, 2^{1252615800069} is an apocalyptic number.

It is an amenable number.

1252615800069 is a deficient number, since it is larger than the sum of its proper divisors (663437938491).

1252615800069 is a wasteful number, since it uses less digits than its factorization.

1252615800069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232489 (or 1232486 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 1252615800069 in words is "one trillion, two hundred fifty-two billion, six hundred fifteen million, eight hundred thousand, sixty-nine".