2154616345111 has 32 divisors (see below), whose sum is σ = 2321789184000. Its totient is φ = 1993209798528.

The previous prime is 2154616345103. The next prime is 2154616345117. The reversal of 2154616345111 is 1115436164512.

It is a cyclic number.

It is not a de Polignac number, because 2154616345111 - 2³ = 2154616345103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154616345117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187629576 + ... + 187641058.

It is an arithmetic number, because the mean of its divisors is an integer number (72555912000).

Almost surely, 2^{2154616345111} is an apocalyptic number.

2154616345111 is a deficient number, since it is larger than the sum of its proper divisors (167172838889).

2154616345111 is a wasteful number, since it uses less digits than its factorization.

2154616345111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12423.

The product of its digits is 86400, while the sum is 40.

The spelling of 2154616345111 in words is "two trillion, one hundred fifty-four billion, six hundred sixteen million, three hundred forty-five thousand, one hundred eleven".