1263525260283 has 144 divisors (see below), whose sum is σ = 2231223100288. Its totient is φ = 683911641600.

The previous prime is 1263525260273. The next prime is 1263525260339. The reversal of 1263525260283 is 3820625253621.

1263525260283 is a `hidden beast` number, since 1 + 2 + 6 + 35 + 2 + 5 + 2 + 602 + 8 + 3 = 666.

It is not a de Polignac number, because 1263525260283 - 2¹⁶ = 1263525194747 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1263525260203) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 94802766 + ... + 94816092.

Almost surely, 2^{1263525260283} is an apocalyptic number.

1263525260283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1263525260283 is a deficient number, since it is larger than the sum of its proper divisors (967697840005).

1263525260283 is a wasteful number, since it uses less digits than its factorization.

1263525260283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 1263525260283 in words is "one trillion, two hundred sixty-three billion, five hundred twenty-five million, two hundred sixty thousand, two hundred eighty-three".