2542102155422 has 8 divisors (see below), whose sum is σ = 3813284903400. Its totient is φ = 1271007187624.

The previous prime is 2542102155409. The next prime is 2542102155443. The reversal of 2542102155422 is 2245512012452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21872597 + ... + 21988512.

It is an arithmetic number, because the mean of its divisors is an integer number (476660612925).

Almost surely, 2^{2542102155422} is an apocalyptic number.

2542102155422 is a deficient number, since it is larger than the sum of its proper divisors (1271182747978).

2542102155422 is a wasteful number, since it uses less digits than its factorization.

2542102155422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43890090.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 2542102155422 its reverse (2245512012452), we get a palindrome (4787614167874).

The spelling of 2542102155422 in words is "two trillion, five hundred forty-two billion, one hundred two million, one hundred fifty-five thousand, four hundred twenty-two".