2145105411340 has 48 divisors (see below), whose sum is σ = 4515347176704. Its totient is φ = 856020312000.

The previous prime is 2145105411329. The next prime is 2145105411419. The reversal of 2145105411340 is 431145015412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16429315 + ... + 16559365.

It is an arithmetic number, because the mean of its divisors is an integer number (94069732848).

Almost surely, 2^{2145105411340} is an apocalyptic number.

2145105411340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145105411340 is an abundant number, since it is smaller than the sum of its proper divisors (2370241765364).

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

2145105411340 is a wasteful number, since it uses less digits than its factorization.

2145105411340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131998 (or 131996 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 2145105411340 in words is "two trillion, one hundred forty-five billion, one hundred five million, four hundred eleven thousand, three hundred forty".