1263765265250 has 64 divisors (see below), whose sum is σ = 2505437505792. Its totient is φ = 475674336000.

The previous prime is 1263765265241. The next prime is 1263765265253. The reversal of 1263765265250 is 525625673621.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (1263765265253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23105435 + ... + 23160065.

It is an arithmetic number, because the mean of its divisors is an integer number (39147461028).

Almost surely, 2^{1263765265250} is an apocalyptic number.

1263765265250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1263765265250 is a deficient number, since it is larger than the sum of its proper divisors (1241672240542).

1263765265250 is a wasteful number, since it uses less digits than its factorization.

1263765265250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60108 (or 60098 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 1263765265250 in words is "one trillion, two hundred sixty-three billion, seven hundred sixty-five million, two hundred sixty-five thousand, two hundred fifty".