125132511542 has 8 divisors (see below), whose sum is σ = 190500241656. Its totient is φ = 61632430992.

The previous prime is 125132511461. The next prime is 125132511649. The reversal of 125132511542 is 245115231521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125132511499 and 125132511508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466912223 + ... + 466912490.

It is an arithmetic number, because the mean of its divisors is an integer number (23812530207).

Almost surely, 2^125132511542 is an apocalyptic number.

125132511542 is a deficient number, since it is larger than the sum of its proper divisors (65367730114).

125132511542 is an equidigital number, since it uses as much as digits as its factorization.

125132511542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933824782.

The product of its digits is 12000, while the sum is 32.

The spelling of 125132511542 in words is "one hundred twenty-five billion, one hundred thirty-two million, five hundred eleven thousand, five hundred forty-two".