125542405430541 has 48 divisors (see below), whose sum is σ = 197965951852032. Its totient is φ = 76031869132800.

The previous prime is 125542405430537. The next prime is 125542405430551. The reversal of 125542405430541 is 145034504245521.

125542405430541 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 4 + 24 + 0 + 54 + 30 + 541 = 666.

It is not a de Polignac number, because 125542405430541 - 2² = 125542405430537 is a prime.

It is a super-2 number, since 2×125542405430541² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125542405430501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3547079341 + ... + 3547114733.

It is an arithmetic number, because the mean of its divisors is an integer number (4124290663584).

Almost surely, 2^{125542405430541} is an apocalyptic number.

125542405430541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125542405430541 is a deficient number, since it is larger than the sum of its proper divisors (72423546421491).

125542405430541 is a wasteful number, since it uses less digits than its factorization.

125542405430541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60034 (or 60031 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 125542405430541 in words is "one hundred twenty-five trillion, five hundred forty-two billion, four hundred five million, four hundred thirty thousand, five hundred forty-one".