125435076405 has 16 divisors (see below), whose sum is σ = 200721367104. Its totient is φ = 66890292480.

The previous prime is 125435076391. The next prime is 125435076421. The reversal of 125435076405 is 504670534521.

It is not a de Polignac number, because 125435076405 - 2²⁶ = 125367967541 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, 401764 + ... + 642093.

It is an arithmetic number, because the mean of its divisors is an integer number (12545085444).

Almost surely, 2^125435076405 is an apocalyptic number.

125435076405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125435076405 is a deficient number, since it is larger than the sum of its proper divisors (75286290699).

125435076405 is a wasteful number, since it uses less digits than its factorization.

125435076405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051876.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 125435076405 in words is "one hundred twenty-five billion, four hundred thirty-five million, seventy-six thousand, four hundred five".