125546315014021 has 32 divisors (see below), whose sum is σ = 138464130744576. Its totient is φ = 112881733440000.

The previous prime is 125546315013923. The next prime is 125546315014033. The reversal of 125546315014021 is 120410513645521.

It is a cyclic number.

It is not a de Polignac number, because 125546315014021 - 2¹¹ = 125546315011973 is a prime.

It is a super-3 number, since 3×125546315014021³ (a number of 43 digits) contains 333 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 (125546315014051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5531394345 + ... + 5531417041.

It is an arithmetic number, because the mean of its divisors is an integer number (4327004085768).

Almost surely, 2^{125546315014021} is an apocalyptic number.

125546315014021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125546315014021 is a deficient number, since it is larger than the sum of its proper divisors (12917815730555).

125546315014021 is a wasteful number, since it uses less digits than its factorization.

125546315014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27933.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 125546315014021 its reverse (120410513645521), we get a palindrome (245956828659542).

The spelling of 125546315014021 in words is "one hundred twenty-five trillion, five hundred forty-six billion, three hundred fifteen million, fourteen thousand, twenty-one".