125284367815 has 32 divisors (see below), whose sum is σ = 163544301504. Its totient is φ = 91750164480.

The previous prime is 125284367801. The next prime is 125284367827. The reversal of 125284367815 is 518763482521.

It is not a de Polignac number, because 125284367815 - 2⁵ = 125284367783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 12641092 + ... + 12650998.

It is an arithmetic number, because the mean of its divisors is an integer number (5110759422).

Almost surely, 2^125284367815 is an apocalyptic number.

125284367815 is a deficient number, since it is larger than the sum of its proper divisors (38259933689).

125284367815 is a wasteful number, since it uses less digits than its factorization.

125284367815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13987.

The product of its digits is 3225600, while the sum is 52.

The spelling of 125284367815 in words is "one hundred twenty-five billion, two hundred eighty-four million, three hundred sixty-seven thousand, eight hundred fifteen".