1520455465133 has 16 divisors (see below), whose sum is σ = 1663390288896. Its totient is φ = 1378309973040.

The previous prime is 1520455465121. The next prime is 1520455465147. The reversal of 1520455465133 is 3315645540251.

It is a happy number.

It is not a de Polignac number, because 1520455465133 - 2¹⁰ = 1520455464109 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520455465153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7452266 + ... + 7653572.

It is an arithmetic number, because the mean of its divisors is an integer number (103961893056).

Almost surely, 2^{1520455465133} is an apocalyptic number.

It is an amenable number.

1520455465133 is a deficient number, since it is larger than the sum of its proper divisors (142934823763).

1520455465133 is a wasteful number, since it uses less digits than its factorization.

1520455465133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203264.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 1520455465133 in words is "one trillion, five hundred twenty billion, four hundred fifty-five million, four hundred sixty-five thousand, one hundred thirty-three".