1263763188825 has 24 divisors (see below), whose sum is σ = 2123674629696. Its totient is φ = 662957736000.

The previous prime is 1263763188763. The next prime is 1263763188827. The reversal of 1263763188825 is 5288813673621.

It is not a de Polignac number, because 1263763188825 - 2¹⁰ = 1263763187801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1263763188827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138111621 + ... + 138120770.

It is an arithmetic number, because the mean of its divisors is an integer number (88486442904).

Almost surely, 2^{1263763188825} is an apocalyptic number.

1263763188825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1263763188825 is a deficient number, since it is larger than the sum of its proper divisors (859911440871).

1263763188825 is a wasteful number, since it uses less digits than its factorization.

1263763188825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276232465 (or 276232460 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 1263763188825 in words is "one trillion, two hundred sixty-three billion, seven hundred sixty-three million, one hundred eighty-eight thousand, eight hundred twenty-five".