2328781201515 has 12 divisors (see below), whose sum is σ = 4036554082704. Its totient is φ = 1242016640784.

The previous prime is 2328781201511. The next prime is 2328781201561. The reversal of 2328781201515 is 5151021878232.

2328781201515 is a `hidden beast` number, since 2 + 3 + 2 + 8 + 7 + 8 + 120 + 1 + 515 = 666.

It is not a de Polignac number, because 2328781201515 - 2² = 2328781201511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 51750693367 = 2328781201515 / (2 + 3 + 2 + 8 + 7 + 8 + 1 + 2 + 0 + 1 + 5 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (2328781201511) 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 11 ways as a sum of consecutive naturals, for example, 25875346639 + ... + 25875346728.

It is an arithmetic number, because the mean of its divisors is an integer number (336379506892).

Almost surely, 2^{2328781201515} is an apocalyptic number.

2328781201515 is a deficient number, since it is larger than the sum of its proper divisors (1707772881189).

2328781201515 is a wasteful number, since it uses less digits than its factorization.

2328781201515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51750693378 (or 51750693375 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 2328781201515 in words is "two trillion, three hundred twenty-eight billion, seven hundred eighty-one million, two hundred one thousand, five hundred fifteen".