5021561042 has 16 divisors (see below), whose sum is σ = 7746414912. Its totient is φ = 2439606960.

The previous prime is 5021560993. The next prime is 5021561047. The reversal of 5021561042 is 2401651205.

It is not an unprimeable number, because it can be changed into a prime (5021561047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9317 + ... + 100647.

It is an arithmetic number, because the mean of its divisors is an integer number (484150932).

Almost surely, 2^5021561042 is an apocalyptic number.

5021561042 is a deficient number, since it is larger than the sum of its proper divisors (2724853870).

5021561042 is a wasteful number, since it uses less digits than its factorization.

5021561042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92113.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5021561042 is about 70862.9737027737. The cubic root of 5021561042 is about 1712.4303463030.

The spelling of 5021561042 in words is "five billion, twenty-one million, five hundred sixty-one thousand, forty-two".