4078506049503 has 8 divisors (see below), whose sum is σ = 5757890893488. Its totient is φ = 2559062619264.

The previous prime is 4078506049441. The next prime is 4078506049559. The reversal of 4078506049503 is 3059406058704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4078506049503 - 2⁶ = 4078506049439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 79970706853 = 4078506049503 / (4 + 0 + 7 + 8 + 5 + 0 + 6 + 0 + 4 + 9 + 5 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078506042503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39985353376 + ... + 39985353477.

It is an arithmetic number, because the mean of its divisors is an integer number (719736361686).

Almost surely, 2^{4078506049503} is an apocalyptic number.

4078506049503 is a deficient number, since it is larger than the sum of its proper divisors (1679384843985).

4078506049503 is a wasteful number, since it uses less digits than its factorization.

4078506049503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79970706873.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 4078506049503 in words is "four trillion, seventy-eight billion, five hundred six million, forty-nine thousand, five hundred three".