2115155453000 has 192 divisors, whose sum is σ = 5261757068880. Its totient is φ = 795684864000.

The previous prime is 2115155452987. The next prime is 2115155453029. The reversal of 2115155453000 is 3545515112.

It can be written as a sum of positive squares in 24 ways, for example, as 13473173476 + 2101682279524 = 116074^2 + 1449718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601407242 + ... + 601410758.

Almost surely, 2^{2115155453000} is an apocalyptic number.

2115155453000 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 2115155453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2630878534440).

2115155453000 is an abundant number, since it is smaller than the sum of its proper divisors (3146601615880).

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

2115155453000 is a wasteful number, since it uses less digits than its factorization.

2115155453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5622 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 2115155453000 in words is "two trillion, one hundred fifteen billion, one hundred fifty-five million, four hundred fifty-three thousand".