5641515987 has 8 divisors (see below), whose sum is σ = 7565501904. Its totient is φ = 3739270368.

The previous prime is 5641515961. The next prime is 5641516007. The reversal of 5641515987 is 7895151465.

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

It is not a de Polignac number, because 5641515987 - 2²⁶ = 5574407123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5641515907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5434468 + ... + 5435505.

It is an arithmetic number, because the mean of its divisors is an integer number (945687738).

Almost surely, 2^5641515987 is an apocalyptic number.

5641515987 is a deficient number, since it is larger than the sum of its proper divisors (1923985917).

5641515987 is a wasteful number, since it uses less digits than its factorization.

5641515987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870149.

The product of its digits is 1512000, while the sum is 51.

The square root of 5641515987 is about 75110.0258753783. The cubic root of 5641515987 is about 1780.1855619156.

The spelling of 5641515987 in words is "five billion, six hundred forty-one million, five hundred fifteen thousand, nine hundred eighty-seven".