125415305101 has 4 divisors (see below), whose sum is σ = 125417517952. Its totient is φ = 125413092252.

The previous prime is 125415305017. The next prime is 125415305111. The reversal of 125415305101 is 101503514521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101503514521 = 929 ⋅109261049.

It is a cyclic number.

It is not a de Polignac number, because 125415305101 - 2¹⁷ = 125415174029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125415305101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125415305111) 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, 1019115 + ... + 1135528.

It is an arithmetic number, because the mean of its divisors is an integer number (31354379488).

Almost surely, 2^125415305101 is an apocalyptic number.

It is an amenable number.

125415305101 is a deficient number, since it is larger than the sum of its proper divisors (2212851).

125415305101 is an equidigital number, since it uses as much as digits as its factorization.

125415305101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212850.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 125415305101 its reverse (101503514521), we get a palindrome (226918819622).

The spelling of 125415305101 in words is "one hundred twenty-five billion, four hundred fifteen million, three hundred five thousand, one hundred one".