2115013452040 has 32 divisors (see below), whose sum is σ = 4758821705880. Its totient is φ = 845998013952.

The previous prime is 2115013452037. The next prime is 2115013452043. The reversal of 2115013452040 is 402543105112.

It is an interprime number because it is at equal distance from previous prime (2115013452037) and next prime (2115013452043).

It can be written as a sum of positive squares in 4 ways, for example, as 1585317700836 + 529695751204 = 1259094^2 + 727802^2 .

It is not an unprimeable number, because it can be changed into a prime (2115013452043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8643214 + ... + 8884546.

Almost surely, 2^{2115013452040} is an apocalyptic number.

2115013452040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115013452040 is an abundant number, since it is smaller than the sum of its proper divisors (2643808253840).

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

2115013452040 is a wasteful number, since it uses less digits than its factorization.

2115013452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460441 (or 460437 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2115013452040 its reverse (402543105112), we get a palindrome (2517556557152).

The spelling of 2115013452040 in words is "two trillion, one hundred fifteen billion, thirteen million, four hundred fifty-two thousand, forty".