125203552453311 has 4 divisors (see below), whose sum is σ = 166938069937752. Its totient is φ = 83469034968872.

The previous prime is 125203552453279. The next prime is 125203552453367. The reversal of 125203552453311 is 113354255302521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125203552453311 - 2⁵ = 125203552453279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125203552453411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20867258742216 + ... + 20867258742221.

It is an arithmetic number, because the mean of its divisors is an integer number (41734517484438).

Almost surely, 2^{125203552453311} is an apocalyptic number.

125203552453311 is a deficient number, since it is larger than the sum of its proper divisors (41734517484441).

125203552453311 is an equidigital number, since it uses as much as digits as its factorization.

125203552453311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41734517484440.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 125203552453311 in words is "one hundred twenty-five trillion, two hundred three billion, five hundred fifty-two million, four hundred fifty-three thousand, three hundred eleven".