2153051333860 has 72 divisors (see below), whose sum is σ = 5264283044160. Its totient is φ = 737531315136.

The previous prime is 2153051333833. The next prime is 2153051333861. The reversal of 2153051333860 is 683331503512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2153051333861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122361 + ... + 2078719.

It is an arithmetic number, because the mean of its divisors is an integer number (73115042280).

Almost surely, 2^{2153051333860} is an apocalyptic number.

2153051333860 is a gapful number since it is divisible by the number (20) 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 2153051333860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632141522080).

2153051333860 is an abundant number, since it is smaller than the sum of its proper divisors (3111231710300).

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

2153051333860 is a wasteful number, since it uses less digits than its factorization.

2153051333860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957505 (or 1957496 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 2153051333860 in words is "two trillion, one hundred fifty-three billion, fifty-one million, three hundred thirty-three thousand, eight hundred sixty".