1516068255987 has 48 divisors (see below), whose sum is σ = 2235810083520. Its totient is φ = 989671737600.

The previous prime is 1516068255979. The next prime is 1516068255997. The reversal of 1516068255987 is 7895528606151.

1516068255987 is a `hidden beast` number, since 1 + 5 + 16 + 0 + 6 + 8 + 25 + 598 + 7 = 666.

It is not a de Polignac number, because 1516068255987 - 2³ = 1516068255979 is a prime.

It is a super-2 number, since 2×1516068255987² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1516068255907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112553089 + ... + 112566557.

It is an arithmetic number, because the mean of its divisors is an integer number (46579376740).

Almost surely, 2^{1516068255987} is an apocalyptic number.

1516068255987 is a deficient number, since it is larger than the sum of its proper divisors (719741827533).

1516068255987 is a wasteful number, since it uses less digits than its factorization.

1516068255987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444 (or 14441 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 63.

The spelling of 1516068255987 in words is "one trillion, five hundred sixteen billion, sixty-eight million, two hundred fifty-five thousand, nine hundred eighty-seven".