2154413143511 has 4 divisors (see below), whose sum is σ = 2156174725392. Its totient is φ = 2152651561632.

The previous prime is 2154413143489. The next prime is 2154413143537. The reversal of 2154413143511 is 1153413144512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2154413143511 - 2¹⁸ = 2154412881367 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 (2154413143591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880789106 + ... + 880791551.

It is an arithmetic number, because the mean of its divisors is an integer number (539043681348).

Almost surely, 2^{2154413143511} is an apocalyptic number.

2154413143511 is a deficient number, since it is larger than the sum of its proper divisors (1761581881).

2154413143511 is a wasteful number, since it uses less digits than its factorization.

2154413143511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761581880.

The product of its digits is 28800, while the sum is 35.

The spelling of 2154413143511 in words is "two trillion, one hundred fifty-four billion, four hundred thirteen million, one hundred forty-three thousand, five hundred eleven".