126525154165 has 8 divisors (see below), whose sum is σ = 153304265088. Its totient is φ = 100237403280.

The previous prime is 126525154153. The next prime is 126525154169. The reversal of 126525154165 is 561451525621.

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

It is not a de Polignac number, because 126525154165 - 2⁹ = 126525153653 is a prime.

It is a super-3 number, since 3×126525154165³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126525154169) 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, 122839441 + ... + 122840470.

It is an arithmetic number, because the mean of its divisors is an integer number (19163033136).

Almost surely, 2^126525154165 is an apocalyptic number.

It is an amenable number.

126525154165 is a deficient number, since it is larger than the sum of its proper divisors (26779110923).

126525154165 is a wasteful number, since it uses less digits than its factorization.

126525154165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245680019.

The product of its digits is 360000, while the sum is 43.

Adding to 126525154165 its reverse (561451525621), we get a palindrome (687976679786).

The spelling of 126525154165 in words is "one hundred twenty-six billion, five hundred twenty-five million, one hundred fifty-four thousand, one hundred sixty-five".