125319154569 has 16 divisors (see below), whose sum is σ = 191818862592. Its totient is φ = 71289817488.

The previous prime is 125319154523. The next prime is 125319154573. The reversal of 125319154569 is 965451913521.

It is not a de Polignac number, because 125319154569 - 2⁹ = 125319154057 is a prime.

It is a super-2 number, since 2×125319154569² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125319154579) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13375539 + ... + 13384904.

It is an arithmetic number, because the mean of its divisors is an integer number (11988678912).

Almost surely, 2^125319154569 is an apocalyptic number.

It is an amenable number.

125319154569 is a deficient number, since it is larger than the sum of its proper divisors (66499708023).

125319154569 is a wasteful number, since it uses less digits than its factorization.

125319154569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26760676.

The product of its digits is 1458000, while the sum is 51.

The spelling of 125319154569 in words is "one hundred twenty-five billion, three hundred nineteen million, one hundred fifty-four thousand, five hundred sixty-nine".