4120953861520 has 40 divisors (see below), whose sum is σ = 9604084674240. Its totient is φ = 1644447446400.

The previous prime is 4120953861503. The next prime is 4120953861587. The reversal of 4120953861520 is 251683590214.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61436556 + ... + 61503595.

It is an arithmetic number, because the mean of its divisors is an integer number (240102116856).

Almost surely, 2^{4120953861520} is an apocalyptic number.

4120953861520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4120953861520 is an abundant number, since it is smaller than the sum of its proper divisors (5483130812720).

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

4120953861520 is a wasteful number, since it uses less digits than its factorization.

4120953861520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122940583 (or 122940577 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 4120953861520 in words is "four trillion, one hundred twenty billion, nine hundred fifty-three million, eight hundred sixty-one thousand, five hundred twenty".