4057349515515 has 12 divisors (see below), whose sum is σ = 7032739160304. Its totient is φ = 2163919741584.

The previous prime is 4057349515487. The next prime is 4057349515519. The reversal of 4057349515515 is 5155159437504.

4057349515515 is a `hidden beast` number, since 4 + 0 + 5 + 7 + 34 + 9 + 51 + 551 + 5 = 666.

It is not a de Polignac number, because 4057349515515 - 2¹² = 4057349511419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4057349515519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45081661239 + ... + 45081661328.

It is an arithmetic number, because the mean of its divisors is an integer number (586061596692).

Almost surely, 2^{4057349515515} is an apocalyptic number.

4057349515515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4057349515515 is a deficient number, since it is larger than the sum of its proper divisors (2975389644789).

4057349515515 is a wasteful number, since it uses less digits than its factorization.

4057349515515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90163322578 (or 90163322575 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 54.

The spelling of 4057349515515 in words is "four trillion, fifty-seven billion, three hundred forty-nine million, five hundred fifteen thousand, five hundred fifteen".