125616542311 has 16 divisors (see below), whose sum is σ = 136947363840. Its totient is φ = 114524788320.

The previous prime is 125616542287. The next prime is 125616542327. The reversal of 125616542311 is 113245616521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125616542311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125616542911) 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, 4421610 + ... + 4449928.

It is an arithmetic number, because the mean of its divisors is an integer number (8559210240).

Almost surely, 2^125616542311 is an apocalyptic number.

125616542311 is a deficient number, since it is larger than the sum of its proper divisors (11330821529).

125616542311 is a wasteful number, since it uses less digits than its factorization.

125616542311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32526.

The product of its digits is 43200, while the sum is 37.

The spelling of 125616542311 in words is "one hundred twenty-five billion, six hundred sixteen million, five hundred forty-two thousand, three hundred eleven".