23125051515 has 16 divisors (see below), whose sum is σ = 37021773600. Its totient is φ = 12326130432.

The previous prime is 23125051513. The next prime is 23125051519. The reversal of 23125051515 is 51515052132.

It is not a de Polignac number, because 23125051515 - 2¹ = 23125051513 is a prime.

It is a super-3 number, since 3×23125051515³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23125051513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425410 + ... + 476679.

It is an arithmetic number, because the mean of its divisors is an integer number (2313860850).

Almost surely, 2^23125051515 is an apocalyptic number.

23125051515 is a deficient number, since it is larger than the sum of its proper divisors (13896722085).

23125051515 is a wasteful number, since it uses less digits than its factorization.

23125051515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903806.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 23125051515 in words is "twenty-three billion, one hundred twenty-five million, fifty-one thousand, five hundred fifteen".