125123277311 has 8 divisors (see below), whose sum is σ = 133372623600. Its totient is φ = 116972725888.

The previous prime is 125123277259. The next prime is 125123277319. The reversal of 125123277311 is 113772321521.

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 125123277311 - 2¹⁰ = 125123276287 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 (125123277319) 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, 24696101 + ... + 24701166.

It is an arithmetic number, because the mean of its divisors is an integer number (16671577950).

Almost surely, 2^125123277311 is an apocalyptic number.

125123277311 is a deficient number, since it is larger than the sum of its proper divisors (8249346289).

125123277311 is a wasteful number, since it uses less digits than its factorization.

125123277311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49397433.

The product of its digits is 17640, while the sum is 35.

Adding to 125123277311 its reverse (113772321521), we get a palindrome (238895598832).

It can be divided in two parts, 12512 and 3277311, that added together give a palindrome (3289823).

The spelling of 125123277311 in words is "one hundred twenty-five billion, one hundred twenty-three million, two hundred seventy-seven thousand, three hundred eleven".