1252625152639 has 8 divisors (see below), whose sum is σ = 1440143889408. Its totient is φ = 1067249487480.

The previous prime is 1252625152637. The next prime is 1252625152693. The reversal of 1252625152639 is 9362515262521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252625152639 - 2¹ = 1252625152637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252625152592 and 1252625152601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252625152637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535766647 + ... + 535768984.

It is an arithmetic number, because the mean of its divisors is an integer number (180017986176).

Almost surely, 2^{1252625152639} is an apocalyptic number.

1252625152639 is a deficient number, since it is larger than the sum of its proper divisors (187518736769).

1252625152639 is a wasteful number, since it uses less digits than its factorization.

1252625152639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071535805.

The product of its digits is 1944000, while the sum is 49.

The spelling of 1252625152639 in words is "one trillion, two hundred fifty-two billion, six hundred twenty-five million, one hundred fifty-two thousand, six hundred thirty-nine".