121052541508 has 24 divisors (see below), whose sum is σ = 214826460800. Its totient is φ = 59675717088.

The previous prime is 121052541487. The next prime is 121052541509. The reversal of 121052541508 is 805145250121.

It is not an unprimeable number, because it can be changed into a prime (121052541509) 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, 46110 + ... + 494197.

Almost surely, 2^121052541508 is an apocalyptic number.

It is an amenable number.

121052541508 is a deficient number, since it is larger than the sum of its proper divisors (93773919292).

121052541508 is a wasteful number, since it uses less digits than its factorization.

121052541508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541099 (or 541097 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

Adding to 121052541508 its reverse (805145250121), we get a palindrome (926197791629).

The spelling of 121052541508 in words is "one hundred twenty-one billion, fifty-two million, five hundred forty-one thousand, five hundred eight".