20125355341405 has 16 divisors (see below), whose sum is σ = 25461160689600. Its totient is φ = 15229105367040.

The previous prime is 20125355341363. The next prime is 20125355341451. The reversal of 20125355341405 is 50414355352102.

It is not a de Polignac number, because 20125355341405 - 2³⁵ = 20090995603037 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, 165185475 + ... + 165307264.

It is an arithmetic number, because the mean of its divisors is an integer number (1591322543100).

Almost surely, 2^{20125355341405} is an apocalyptic number.

It is an amenable number.

20125355341405 is a deficient number, since it is larger than the sum of its proper divisors (5335805348195).

20125355341405 is a wasteful number, since it uses less digits than its factorization.

20125355341405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330493404.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 20125355341405 in words is "twenty trillion, one hundred twenty-five billion, three hundred fifty-five million, three hundred forty-one thousand, four hundred five".