2115514303140 has 384 divisors, whose sum is σ = 7318447718400. Its totient is φ = 445830704640.

The previous prime is 2115514303103. The next prime is 2115514303157. The reversal of 2115514303140 is 413034155112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2115514303098 and 2115514303107.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 67119985 + ... + 67151495.

It is an arithmetic number, because the mean of its divisors is an integer number (19058457600).

Almost surely, 2^{2115514303140} is an apocalyptic number.

2115514303140 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 2115514303140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659223859200).

2115514303140 is an abundant number, since it is smaller than the sum of its proper divisors (5202933415260).

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

2115514303140 is a wasteful number, since it uses less digits than its factorization.

2115514303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31775 (or 31773 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 2115514303140 its reverse (413034155112), we get a palindrome (2528548458252).

The spelling of 2115514303140 in words is "two trillion, one hundred fifteen billion, five hundred fourteen million, three hundred three thousand, one hundred forty".