125534120303555 has 8 divisors (see below), whose sum is σ = 158569415120400. Its totient is φ = 95141649072096.

The previous prime is 125534120303551. The next prime is 125534120303591. The reversal of 125534120303555 is 555303021435521.

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

It is a cyclic number.

It is not a de Polignac number, because 125534120303555 - 2² = 125534120303551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125534120303551) 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 7 ways as a sum of consecutive naturals, for example, 660705896240 + ... + 660705896429.

It is an arithmetic number, because the mean of its divisors is an integer number (19821176890050).

Almost surely, 2^{125534120303555} is an apocalyptic number.

125534120303555 is a deficient number, since it is larger than the sum of its proper divisors (33035294816845).

125534120303555 is a wasteful number, since it uses less digits than its factorization.

125534120303555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321411792693.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 125534120303555 in words is "one hundred twenty-five trillion, five hundred thirty-four billion, one hundred twenty million, three hundred three thousand, five hundred fifty-five".