5125405420523 has 4 divisors (see below), whose sum is σ = 5125701242400. Its totient is φ = 5125109598648.

The previous prime is 5125405420507. The next prime is 5125405420543. The reversal of 5125405420523 is 3250245045215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5125405420523 - 2⁴ = 5125405420507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125405420543) 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, 147884948 + ... + 147919601.

It is an arithmetic number, because the mean of its divisors is an integer number (1281425310600).

Almost surely, 2^{5125405420523} is an apocalyptic number.

5125405420523 is a deficient number, since it is larger than the sum of its proper divisors (295821877).

5125405420523 is a wasteful number, since it uses less digits than its factorization.

5125405420523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295821876.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 5125405420523 in words is "five trillion, one hundred twenty-five billion, four hundred five million, four hundred twenty thousand, five hundred twenty-three".