151121522542 has 16 divisors (see below), whose sum is σ = 244084615920. Its totient is φ = 69910653568.

The previous prime is 151121522533. The next prime is 151121522543. The reversal of 151121522542 is 245225121151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151121522543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37665373 + ... + 37669384.

It is an arithmetic number, because the mean of its divisors is an integer number (15255288495).

Almost surely, 2^151121522542 is an apocalyptic number.

151121522542 is a deficient number, since it is larger than the sum of its proper divisors (92963093378).

151121522542 is a wasteful number, since it uses less digits than its factorization.

151121522542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75334835.

The product of its digits is 8000, while the sum is 31.

Adding to 151121522542 its reverse (245225121151), we get a palindrome (396346643693).

The spelling of 151121522542 in words is "one hundred fifty-one billion, one hundred twenty-one million, five hundred twenty-two thousand, five hundred forty-two".