1520455500445 has 32 divisors (see below), whose sum is σ = 2087500320000. Its totient is φ = 1041446647296.

The previous prime is 1520455500419. The next prime is 1520455500461. The reversal of 1520455500445 is 5440055540251.

It is a cyclic number.

It is not a de Polignac number, because 1520455500445 - 2¹⁷ = 1520455369373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1520455500398 and 1520455500407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150550006 + ... + 150560104.

It is an arithmetic number, because the mean of its divisors is an integer number (65234385000).

Almost surely, 2^{1520455500445} is an apocalyptic number.

It is an amenable number.

1520455500445 is a deficient number, since it is larger than the sum of its proper divisors (567044819555).

1520455500445 is a wasteful number, since it uses less digits than its factorization.

1520455500445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437.

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 1520455500445 in words is "one trillion, five hundred twenty billion, four hundred fifty-five million, five hundred thousand, four hundred forty-five".