23516525001 has 4 divisors (see below), whose sum is σ = 31355366672. Its totient is φ = 15677683332.

The previous prime is 23516524963. The next prime is 23516525029. The reversal of 23516525001 is 10052561532.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23516525001 - 2⁹ = 23516524489 is a prime.

It is a super-4 number, since 4×23516525001⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23516525001.

It is not an unprimeable number, because it can be changed into a prime (23516545001) 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 3 ways as a sum of consecutive naturals, for example, 3919420831 + ... + 3919420836.

It is an arithmetic number, because the mean of its divisors is an integer number (7838841668).

Almost surely, 2^23516525001 is an apocalyptic number.

It is an amenable number.

23516525001 is a deficient number, since it is larger than the sum of its proper divisors (7838841671).

23516525001 is an equidigital number, since it uses as much as digits as its factorization.

23516525001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838841670.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 23516525001 in words is "twenty-three billion, five hundred sixteen million, five hundred twenty-five thousand, one".