1252500515465 has 8 divisors (see below), whose sum is σ = 1503130806528. Its totient is φ = 1001913620400.

The previous prime is 1252500515449. The next prime is 1252500515467. The reversal of 1252500515465 is 5645150052521.

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

It is not a de Polignac number, because 1252500515465 - 2⁴ = 1252500515449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252500515467) 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, 10785467 + ... + 10900976.

It is an arithmetic number, because the mean of its divisors is an integer number (187891350816).

Almost surely, 2^{1252500515465} is an apocalyptic number.

It is an amenable number.

1252500515465 is a deficient number, since it is larger than the sum of its proper divisors (250630291063).

1252500515465 is a wasteful number, since it uses less digits than its factorization.

1252500515465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21697999.

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 1252500515465 its reverse (5645150052521), we get a palindrome (6897650567986).

The spelling of 1252500515465 in words is "one trillion, two hundred fifty-two billion, five hundred million, five hundred fifteen thousand, four hundred sixty-five".