1615225476428 has 12 divisors (see below), whose sum is σ = 2828148931440. Its totient is φ = 807182924592.

The previous prime is 1615225476427. The next prime is 1615225476493. The reversal of 1615225476428 is 8246745225161.

It is a self number, because there is not a number n which added to its sum of digits gives 1615225476428.

It is not an unprimeable number, because it can be changed into a prime (1615225476427) 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, 107444951 + ... + 107459982.

It is an arithmetic number, because the mean of its divisors is an integer number (235679077620).

Almost surely, 2^{1615225476428} is an apocalyptic number.

It is an amenable number.

1615225476428 is a deficient number, since it is larger than the sum of its proper divisors (1212923455012).

1615225476428 is a wasteful number, since it uses less digits than its factorization.

1615225476428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214906816 (or 214906814 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The spelling of 1615225476428 in words is "one trillion, six hundred fifteen billion, two hundred twenty-five million, four hundred seventy-six thousand, four hundred twenty-eight".