125215431215541 has 8 divisors (see below), whose sum is σ = 166955740753344. Its totient is φ = 83476037910720.

The previous prime is 125215431215431. The next prime is 125215431215549. The reversal of 125215431215541 is 145512134512521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125215431215541 - 2¹⁸ = 125215430953397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125215431215493 and 125215431215502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125215431215549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228739300 + ... + 229286061.

It is an arithmetic number, because the mean of its divisors is an integer number (20869467594168).

Almost surely, 2^{125215431215541} is an apocalyptic number.

It is an amenable number.

125215431215541 is a deficient number, since it is larger than the sum of its proper divisors (41740309537803).

125215431215541 is an equidigital number, since it uses as much as digits as its factorization.

125215431215541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458116491.

The product of its digits is 240000, while the sum is 42.

The spelling of 125215431215541 in words is "one hundred twenty-five trillion, two hundred fifteen billion, four hundred thirty-one million, two hundred fifteen thousand, five hundred forty-one".