1252515263764 has 24 divisors (see below), whose sum is σ = 2243509593248. Its totient is φ = 611520749280.

The previous prime is 1252515263723. The next prime is 1252515263789. The reversal of 1252515263764 is 4673625152521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416427 + ... + 1636594.

Almost surely, 2^{1252515263764} is an apocalyptic number.

It is an amenable number.

1252515263764 is a deficient number, since it is larger than the sum of its proper divisors (990994329484).

1252515263764 is a wasteful number, since it uses less digits than its factorization.

1252515263764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056615 (or 2056613 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The spelling of 1252515263764 in words is "one trillion, two hundred fifty-two billion, five hundred fifteen million, two hundred sixty-three thousand, seven hundred sixty-four".