125043503353245 has 16 divisors (see below), whose sum is σ = 222299561517120. Its totient is φ = 66689868454992.

The previous prime is 125043503353243. The next prime is 125043503353259. The reversal of 125043503353245 is 542353305340521.

125043503353245 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 4 + 3 + 50 + 3 + 353 + 245 = 666.

It is not a de Polignac number, because 125043503353245 - 2¹ = 125043503353243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 125043503353245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043503353243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463124086359 + ... + 463124086628.

It is an arithmetic number, because the mean of its divisors is an integer number (13893722594820).

Almost surely, 2^{125043503353245} is an apocalyptic number.

125043503353245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125043503353245 is a deficient number, since it is larger than the sum of its proper divisors (97256058163875).

125043503353245 is an equidigital number, since it uses as much as digits as its factorization.

125043503353245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926248173001 (or 926248172995 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

Adding to 125043503353245 its reverse (542353305340521), we get a palindrome (667396808693766).

The spelling of 125043503353245 in words is "one hundred twenty-five trillion, forty-three billion, five hundred three million, three hundred fifty-three thousand, two hundred forty-five".