42987800885541 has 16 divisors (see below), whose sum is σ = 58107599368704. Its totient is φ = 28265627959664.

The previous prime is 42987800885537. The next prime is 42987800885569. The reversal of 42987800885541 is 14558800878924.

It is a cyclic number.

It is not a de Polignac number, because 42987800885541 - 2² = 42987800885537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42987800885521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294901545 + ... + 295047278.

It is an arithmetic number, because the mean of its divisors is an integer number (3631724960544).

Almost surely, 2^{42987800885541} is an apocalyptic number.

It is an amenable number.

42987800885541 is a deficient number, since it is larger than the sum of its proper divisors (15119798483163).

42987800885541 is a wasteful number, since it uses less digits than its factorization.

42987800885541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589949160.

The product of its (nonzero) digits is 206438400, while the sum is 69.

The spelling of 42987800885541 in words is "forty-two trillion, nine hundred eighty-seven billion, eight hundred million, eight hundred eighty-five thousand, five hundred forty-one".