2115611927040 has 160 divisors (see below), whose sum is σ = 7119312995520. Its totient is φ = 534470344704.

The previous prime is 2115611926969. The next prime is 2115611927041. The reversal of 2115611927040 is 407291165112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 2115611927040.

It is not an unprimeable number, because it can be changed into a prime (2115611927041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7103299 + ... + 7395138.

It is an arithmetic number, because the mean of its divisors is an integer number (44495706222).

Almost surely, 2^{2115611927040} is an apocalyptic number.

2115611927040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115611927040 is an abundant number, since it is smaller than the sum of its proper divisors (5003701068480).

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

2115611927040 is a wasteful number, since it uses less digits than its factorization.

2115611927040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498482 (or 14498466 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 2115611927040 in words is "two trillion, one hundred fifteen billion, six hundred eleven million, nine hundred twenty-seven thousand, forty".