536561215542 has 96 divisors (see below), whose sum is σ = 1270981760256. Its totient is φ = 162242740800.

The previous prime is 536561215513. The next prime is 536561215543. The reversal of 536561215542 is 245512165635.

536561215542 is a `hidden beast` number, since 5 + 36 + 5 + 61 + 2 + 1 + 554 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536561215543) 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, 331005492 + ... + 331007112.

It is an arithmetic number, because the mean of its divisors is an integer number (13239393336).

Almost surely, 2^536561215542 is an apocalyptic number.

536561215542 is an abundant number, since it is smaller than the sum of its proper divisors (734420544714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

536561215542 is a wasteful number, since it uses less digits than its factorization.

536561215542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4223 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 536561215542 in words is "five hundred thirty-six billion, five hundred sixty-one million, two hundred fifteen thousand, five hundred forty-two".