1520106720056 has 64 divisors (see below), whose sum is σ = 2919261682080. Its totient is φ = 741841850880.

The previous prime is 1520106720031. The next prime is 1520106720073. The reversal of 1520106720056 is 6500276010251.

It is a junction number, because it is equal to n+sod(n) for n = 1520106719998 and 1520106720025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59211335 + ... + 59237001.

Almost surely, 2^{1520106720056} is an apocalyptic number.

It is an amenable number.

1520106720056 is a deficient number, since it is larger than the sum of its proper divisors (1399154962024).

1520106720056 is a wasteful number, since it uses less digits than its factorization.

1520106720056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26664 (or 26660 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 1520106720056 in words is "one trillion, five hundred twenty billion, one hundred six million, seven hundred twenty thousand, fifty-six".