2125192520405 has 16 divisors (see below), whose sum is σ = 2594327823360. Its totient is φ = 1670984929152.

The previous prime is 2125192520389. The next prime is 2125192520413. The reversal of 2125192520405 is 5040252915212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2125192520405 - 2⁴ = 2125192520389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14224229 + ... + 14372858.

It is an arithmetic number, because the mean of its divisors is an integer number (162145488960).

Almost surely, 2^{2125192520405} is an apocalyptic number.

It is an amenable number.

2125192520405 is a deficient number, since it is larger than the sum of its proper divisors (469135302955).

2125192520405 is a wasteful number, since it uses less digits than its factorization.

2125192520405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597348.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 2125192520405 in words is "two trillion, one hundred twenty-five billion, one hundred ninety-two million, five hundred twenty thousand, four hundred five".