15630001625 has 48 divisors (see below), whose sum is σ = 22758362640. Its totient is φ = 10685875200.

The previous prime is 15630001613. The next prime is 15630001643. The reversal of 15630001625 is 52610003651.

It can be written as a sum of positive squares in 8 ways, for example, as 1223040784 + 14406960841 = 34972^2 + 120029^2 .

It is not a de Polignac number, because 15630001625 - 2⁴ = 15630001609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2158511 + ... + 2165739.

It is an arithmetic number, because the mean of its divisors is an integer number (474132555).

Almost surely, 2^15630001625 is an apocalyptic number.

It is an amenable number.

15630001625 is a deficient number, since it is larger than the sum of its proper divisors (7128361015).

15630001625 is an equidigital number, since it uses as much as digits as its factorization.

15630001625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 15630001625 in words is "fifteen billion, six hundred thirty million, one thousand, six hundred twenty-five".