125110534531 has 4 divisors (see below), whose sum is σ = 125111413000. Its totient is φ = 125109656064.

The previous prime is 125110534529. The next prime is 125110534541. The reversal of 125110534531 is 135435011521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125110534531 - 2¹ = 125110534529 is a prime.

It is a super-2 number, since 2×125110534531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125110534493 and 125110534502.

It is not an unprimeable number, because it can be changed into a prime (125110534541) 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, 171006 + ... + 528643.

It is an arithmetic number, because the mean of its divisors is an integer number (31277853250).

Almost surely, 2^125110534531 is an apocalyptic number.

125110534531 is a deficient number, since it is larger than the sum of its proper divisors (878469).

125110534531 is an equidigital number, since it uses as much as digits as its factorization.

125110534531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878468.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 125110534531 in words is "one hundred twenty-five billion, one hundred ten million, five hundred thirty-four thousand, five hundred thirty-one".