121485440926080 has 1536 divisors, whose sum is σ = 541370656512000. Its totient is φ = 25202746736640.

The previous prime is 121485440926067. The next prime is 121485440926141. The reversal of 121485440926080 is 80629044584121.

121485440926080 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 8 + 544 + 0 + 92 + 6 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9469589106 + ... + 9469601934.

It is an arithmetic number, because the mean of its divisors is an integer number (352454854500).

Almost surely, 2^{121485440926080} is an apocalyptic number.

121485440926080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121485440926080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270685328256000).

121485440926080 is an abundant number, since it is smaller than the sum of its proper divisors (419885215585920).

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

121485440926080 is a wasteful number, since it uses less digits than its factorization.

121485440926080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533 (or 13504 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 121485440926080 in words is "one hundred twenty-one trillion, four hundred eighty-five billion, four hundred forty million, nine hundred twenty-six thousand, eighty".