4119028552521 has 81 divisors (see below), whose sum is σ = 6232065369543. Its totient is φ = 2621514935520.

The previous prime is 4119028552511. The next prime is 4119028552603. The reversal of 4119028552521 is 1252558209114.

The square root of 4119028552521 is 2029539.

It is a perfect power (a square), and thus also a powerful number.

4119028552521 is a `hidden beast` number, since 4 + 1 + 1 + 90 + 2 + 8 + 552 + 5 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1207350452025 + 2911678100496 = 1098795^2 + 1706364^2 .

It is not a de Polignac number, because 4119028552521 - 2¹¹ = 4119028550473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4119028552511) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 26235850575 + ... + 26235850731.

Almost surely, 2^{4119028552521} is an apocalyptic number.

4119028552521 is the 2029539-th square number.

4119028552521 is the 1014770-th centered octagonal number.

It is an amenable number.

4119028552521 is a deficient number, since it is larger than the sum of its proper divisors (2113036817022).

4119028552521 is an equidigital number, since it uses as much as digits as its factorization.

4119028552521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 4119028552521 in words is "four trillion, one hundred nineteen billion, twenty-eight million, five hundred fifty-two thousand, five hundred twenty-one".