125514451040219 has 16 divisors (see below), whose sum is σ = 128447610404160. Its totient is φ = 122610306648960.

The previous prime is 125514451040197. The next prime is 125514451040243. The reversal of 125514451040219 is 912040154415521.

It is a cyclic number.

It is not a de Polignac number, because 125514451040219 - 2²⁰ = 125514449991643 is a prime.

It is a super-2 number, since 2×125514451040219² (a number of 29 digits) contains 22 as substring.

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 125514451040219.

It is not an unprimeable number, because it can be changed into a prime (125514451040249) 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, 16313717 + ... + 22741289.

It is an arithmetic number, because the mean of its divisors is an integer number (8027975650260).

Almost surely, 2^{125514451040219} is an apocalyptic number.

125514451040219 is a deficient number, since it is larger than the sum of its proper divisors (2933159363941).

125514451040219 is a wasteful number, since it uses less digits than its factorization.

125514451040219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429830.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 125514451040219 in words is "one hundred twenty-five trillion, five hundred fourteen billion, four hundred fifty-one million, forty thousand, two hundred nineteen".