125043451311 has 8 divisors (see below), whose sum is σ = 168597912240. Its totient is φ = 82425645632.

The previous prime is 125043451297. The next prime is 125043451361. The reversal of 125043451311 is 113154340521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125043451311 - 2²⁷ = 124909233583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043451361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234163500 + ... + 234164033.

It is an arithmetic number, because the mean of its divisors is an integer number (21074739030).

Almost surely, 2^125043451311 is an apocalyptic number.

125043451311 is a deficient number, since it is larger than the sum of its proper divisors (43554460929).

125043451311 is an equidigital number, since it uses as much as digits as its factorization.

125043451311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468327625.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 125043451311 its reverse (113154340521), we get a palindrome (238197791832).

The spelling of 125043451311 in words is "one hundred twenty-five billion, forty-three million, four hundred fifty-one thousand, three hundred eleven".