125291430650 has 48 divisors (see below), whose sum is σ = 235323929376. Its totient is φ = 49626265920.

The previous prime is 125291430631. The next prime is 125291430659. The reversal of 125291430650 is 56034192521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125291430659) 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, 17902952 + ... + 17909948.

It is an arithmetic number, because the mean of its divisors is an integer number (4902581862).

Almost surely, 2^125291430650 is an apocalyptic number.

125291430650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125291430650 is a deficient number, since it is larger than the sum of its proper divisors (110032498726).

125291430650 is a wasteful number, since it uses less digits than its factorization.

125291430650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463 (or 10458 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 125291430650 in words is "one hundred twenty-five billion, two hundred ninety-one million, four hundred thirty thousand, six hundred fifty".