121546004544 has 112 divisors (see below), whose sum is σ = 369644371200. Its totient is φ = 39118238208.

The previous prime is 121546004537. The next prime is 121546004581. The reversal of 121546004544 is 445400645121.

121546004544 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 4 + 600 + 4 + 5 + 44 = 666.

It is a super-2 number, since 2×121546004544² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 121546004499 and 121546004508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162632 + ... + 1262855.

Almost surely, 2^121546004544 is an apocalyptic number.

It is an amenable number.

121546004544 is an abundant number, since it is smaller than the sum of its proper divisors (248098366656).

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

121546004544 is a wasteful number, since it uses less digits than its factorization.

121546004544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425537 (or 2425521 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 121546004544 its reverse (445400645121), we get a palindrome (566946649665).

The spelling of 121546004544 in words is "one hundred twenty-one billion, five hundred forty-six million, four thousand, five hundred forty-four".