125135001311 has 16 divisors (see below), whose sum is σ = 126301338240. Its totient is φ = 123974737920.

The previous prime is 125135001301. The next prime is 125135001337. The reversal of 125135001311 is 113100531521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125135001311 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 (125135001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87936746 + ... + 87938168.

It is an arithmetic number, because the mean of its divisors is an integer number (7893833640).

Almost surely, 2^125135001311 is an apocalyptic number.

125135001311 is a deficient number, since it is larger than the sum of its proper divisors (1166336929).

125135001311 is a wasteful number, since it uses less digits than its factorization.

125135001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 125135001311 its reverse (113100531521), we get a palindrome (238235532832).

The spelling of 125135001311 in words is "one hundred twenty-five billion, one hundred thirty-five million, one thousand, three hundred eleven".