2154057430611 has 16 divisors (see below), whose sum is σ = 2890528272288. Its totient is φ = 1426813440000.

The previous prime is 2154057430589. The next prime is 2154057430619. The reversal of 2154057430611 is 1160347504512.

It is not a de Polignac number, because 2154057430611 - 2⁵ = 2154057430579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154057430611.

It is not an unprimeable number, because it can be changed into a prime (2154057430619) 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, 9229861 + ... + 9460361.

It is an arithmetic number, because the mean of its divisors is an integer number (180658017018).

Almost surely, 2^{2154057430611} is an apocalyptic number.

2154057430611 is a deficient number, since it is larger than the sum of its proper divisors (736470841677).

2154057430611 is a wasteful number, since it uses less digits than its factorization.

2154057430611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250502.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 2154057430611 in words is "two trillion, one hundred fifty-four billion, fifty-seven million, four hundred thirty thousand, six hundred eleven".