1521152472266 has 16 divisors (see below), whose sum is σ = 2609298683520. Its totient is φ = 651520305360.

The previous prime is 1521152472263. The next prime is 1521152472289. The reversal of 1521152472266 is 6622742511251.

It is not an unprimeable number, because it can be changed into a prime (1521152472263) 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, 33491726 + ... + 33537113.

It is an arithmetic number, because the mean of its divisors is an integer number (163081167720).

Almost surely, 2^{1521152472266} is an apocalyptic number.

1521152472266 is a deficient number, since it is larger than the sum of its proper divisors (1088146211254).

1521152472266 is a wasteful number, since it uses less digits than its factorization.

1521152472266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67030469.

The product of its digits is 403200, while the sum is 44.

The spelling of 1521152472266 in words is "one trillion, five hundred twenty-one billion, one hundred fifty-two million, four hundred seventy-two thousand, two hundred sixty-six".