125533450452 has 48 divisors (see below), whose sum is σ = 308941032960. Its totient is φ = 39563294688.

The previous prime is 125533450447. The next prime is 125533450477. The reversal of 125533450452 is 254054335521.

It is a self number, because there is not a number n which added to its sum of digits gives 125533450452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432618 + ... + 661985.

It is an arithmetic number, because the mean of its divisors is an integer number (6436271520).

Almost surely, 2^125533450452 is an apocalyptic number.

125533450452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125533450452 is an abundant number, since it is smaller than the sum of its proper divisors (183407582508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125533450452 is a wasteful number, since it uses less digits than its factorization.

125533450452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095132 (or 1095130 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 125533450452 its reverse (254054335521), we get a palindrome (379587785973).

The spelling of 125533450452 in words is "one hundred twenty-five billion, five hundred thirty-three million, four hundred fifty thousand, four hundred fifty-two".