125542151404031 has 4 divisors (see below), whose sum is σ = 125542302986232. Its totient is φ = 125541999821832.

The previous prime is 125542151404003. The next prime is 125542151404037. The reversal of 125542151404031 is 130404151245521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125542151404031 is a prime.

It is a super-2 number, since 2×125542151404031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125542151404037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74541920 + ... + 76207493.

It is an arithmetic number, because the mean of its divisors is an integer number (31385575746558).

Almost surely, 2^{125542151404031} is an apocalyptic number.

125542151404031 is a deficient number, since it is larger than the sum of its proper divisors (151582201).

125542151404031 is an equidigital number, since it uses as much as digits as its factorization.

125542151404031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151582200.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 125542151404031 in words is "one hundred twenty-five trillion, five hundred forty-two billion, one hundred fifty-one million, four hundred four thousand, thirty-one".