120411154115540 has 96 divisors (see below), whose sum is σ = 269123797555200. Its totient is φ = 45096650919936.

The previous prime is 120411154115521. The next prime is 120411154115587. The reversal of 120411154115540 is 45511451114021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120411154115540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459483389 + ... + 459745371.

It is an arithmetic number, because the mean of its divisors is an integer number (2803372891200).

Almost surely, 2^{120411154115540} is an apocalyptic number.

120411154115540 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 120411154115540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134561898777600).

120411154115540 is an abundant number, since it is smaller than the sum of its proper divisors (148712643439660).

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

120411154115540 is a wasteful number, since it uses less digits than its factorization.

120411154115540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269001 (or 268999 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 35.

The spelling of 120411154115540 in words is "one hundred twenty trillion, four hundred eleven billion, one hundred fifty-four million, one hundred fifteen thousand, five hundred forty".