215542103546241 has 16 divisors (see below), whose sum is σ = 319321988275200. Its totient is φ = 143694576671184.

The previous prime is 215542103546239. The next prime is 215542103546269. The reversal of 215542103546241 is 142645301245512.

215542103546241 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 4 + 2 + 10 + 3 + 5 + 4 + 624 + 1 = 666.

It is not a de Polignac number, because 215542103546241 - 2¹ = 215542103546239 is a prime.

It is a super-2 number, since 2×215542103546241² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215542103546941) 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, 23680975 + ... + 31494011.

It is an arithmetic number, because the mean of its divisors is an integer number (19957624267200).

Almost surely, 2^{215542103546241} is an apocalyptic number.

It is an amenable number.

215542103546241 is a deficient number, since it is larger than the sum of its proper divisors (103779884728959).

215542103546241 is a wasteful number, since it uses less digits than its factorization.

215542103546241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834805 (or 8834799 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 215542103546241 in words is "two hundred fifteen trillion, five hundred forty-two billion, one hundred three million, five hundred forty-six thousand, two hundred forty-one".