15625464053 has 8 divisors (see below), whose sum is σ = 15645157080. Its totient is φ = 15605786880.

The previous prime is 15625464011. The next prime is 15625464061. The reversal of 15625464053 is 35046452651.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3189199729 + 12436264324 = 56473^2 + 111518^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15625464053 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 15625464053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15625464073) 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 7 ways as a sum of consecutive naturals, for example, 3974993 + ... + 3978921.

It is an arithmetic number, because the mean of its divisors is an integer number (1955644635).

Almost surely, 2^15625464053 is an apocalyptic number.

It is an amenable number.

15625464053 is a deficient number, since it is larger than the sum of its proper divisors (19693027).

15625464053 is a wasteful number, since it uses less digits than its factorization.

15625464053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 15625464053 in words is "fifteen billion, six hundred twenty-five million, four hundred sixty-four thousand, fifty-three".