2145540455411 has 8 divisors (see below), whose sum is σ = 2308990500864. Its totient is φ = 1986228385920.

The previous prime is 2145540455327. The next prime is 2145540455417. The reversal of 2145540455411 is 1145540455412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2145540455411 - 2²² = 2145536261107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145540455417) 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, 1034492915 + ... + 1034494988.

It is an arithmetic number, because the mean of its divisors is an integer number (288623812608).

Almost surely, 2^{2145540455411} is an apocalyptic number.

2145540455411 is a deficient number, since it is larger than the sum of its proper divisors (163450045453).

2145540455411 is a wasteful number, since it uses less digits than its factorization.

2145540455411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068987981.

The product of its (nonzero) digits is 320000, while the sum is 41.

Subtracting from 2145540455411 its reverse (1145540455412), we obtain a palindrome (999999999999).

The spelling of 2145540455411 in words is "two trillion, one hundred forty-five billion, five hundred forty million, four hundred fifty-five thousand, four hundred eleven".