125146560019 has 16 divisors (see below), whose sum is σ = 135298508800. Its totient is φ = 115069955616.

The previous prime is 125146559971. The next prime is 125146560053. The reversal of 125146560019 is 910065641521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125146560019 - 2⁹ = 125146559507 is a prime.

It is a super-2 number, since 2×125146560019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125146560059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15296872 + ... + 15305050.

It is an arithmetic number, because the mean of its divisors is an integer number (8456156800).

Almost surely, 2^125146560019 is an apocalyptic number.

125146560019 is a deficient number, since it is larger than the sum of its proper divisors (10151948781).

125146560019 is a wasteful number, since it uses less digits than its factorization.

125146560019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 125146560019 in words is "one hundred twenty-five billion, one hundred forty-six million, five hundred sixty thousand, nineteen".