125515530531103 has 8 divisors (see below), whose sum is σ = 126501342332400. Its totient is φ = 124531631072640.

The previous prime is 125515530530969. The next prime is 125515530531143. The reversal of 125515530531103 is 301135035515521.

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 125515530531103 - 2²⁹ = 125514993660191 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 (125515530531143) 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, 477953925 + ... + 478216462.

It is an arithmetic number, because the mean of its divisors is an integer number (15812667791550).

Almost surely, 2^{125515530531103} is an apocalyptic number.

125515530531103 is a deficient number, since it is larger than the sum of its proper divisors (985811801297).

125515530531103 is an equidigital number, since it uses as much as digits as its factorization.

125515530531103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956171417.

The product of its (nonzero) digits is 168750, while the sum is 40.

The spelling of 125515530531103 in words is "one hundred twenty-five trillion, five hundred fifteen billion, five hundred thirty million, five hundred thirty-one thousand, one hundred three".