1252500515464 has 64 divisors (see below), whose sum is σ = 2605693536000. Its totient is φ = 559596333120.

The previous prime is 1252500515449. The next prime is 1252500515467. The reversal of 1252500515464 is 4645150052521.

It is not an unprimeable number, because it can be changed into a prime (1252500515467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71241027 + ... + 71258605.

It is an arithmetic number, because the mean of its divisors is an integer number (40713961500).

Almost surely, 2^{1252500515464} is an apocalyptic number.

It is an amenable number.

1252500515464 is an abundant number, since it is smaller than the sum of its proper divisors (1353193020536).

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

1252500515464 is a wasteful number, since it uses less digits than its factorization.

1252500515464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378 (or 31374 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 1252500515464 its reverse (4645150052521), we get a palindrome (5897650567985).

The spelling of 1252500515464 in words is "one trillion, two hundred fifty-two billion, five hundred million, five hundred fifteen thousand, four hundred sixty-four".