15625265063 has 8 divisors (see below), whose sum is σ = 16561775808. Its totient is φ = 14690685184.

The previous prime is 15625264979. The next prime is 15625265077. The reversal of 15625265063 is 36056252651.

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

It is not a de Polignac number, because 15625265063 - 2⁸ = 15625264807 is a prime.

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 15625265063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15625265093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466031 + ... + 498432.

It is an arithmetic number, because the mean of its divisors is an integer number (2070221976).

Almost surely, 2^15625265063 is an apocalyptic number.

15625265063 is a deficient number, since it is larger than the sum of its proper divisors (936510745).

15625265063 is an equidigital number, since it uses as much as digits as its factorization.

15625265063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965433.

The product of its (nonzero) digits is 324000, while the sum is 41.

It can be divided in two parts, 1562 and 5265063, that added together give a palindrome (5266625).

The spelling of 15625265063 in words is "fifteen billion, six hundred twenty-five million, two hundred sixty-five thousand, sixty-three".