125263883563 has 96 divisors (see below), whose sum is σ = 175363755840. Its totient is φ = 88136294400.

The previous prime is 125263883557. The next prime is 125263883581. The reversal of 125263883563 is 365388362521.

It is a de Polignac number, because none of the positive numbers 2^k-125263883563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125263883563.

It is not an unprimeable number, because it can be changed into a prime (125263883513) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 123655845 + ... + 123656857.

It is an arithmetic number, because the mean of its divisors is an integer number (1826705790).

Almost surely, 2^125263883563 is an apocalyptic number.

125263883563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125263883563 is a deficient number, since it is larger than the sum of its proper divisors (50099872277).

125263883563 is a wasteful number, since it uses less digits than its factorization.

125263883563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1670 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 125263883563 in words is "one hundred twenty-five billion, two hundred sixty-three million, eight hundred eighty-three thousand, five hundred sixty-three".