2123005604611 has 16 divisors (see below), whose sum is σ = 2170344495744. Its totient is φ = 2075758216704.

The previous prime is 2123005604593. The next prime is 2123005604617. The reversal of 2123005604611 is 1164065003212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2123005604611 - 2¹⁹ = 2123005080323 is a prime.

It is a super-2 number, since 2×2123005604611² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123005604617) 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, 312525031 + ... + 312531823.

It is an arithmetic number, because the mean of its divisors is an integer number (135646530984).

Almost surely, 2^{2123005604611} is an apocalyptic number.

2123005604611 is a deficient number, since it is larger than the sum of its proper divisors (47338891133).

2123005604611 is a wasteful number, since it uses less digits than its factorization.

2123005604611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12510.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 2123005604611 in words is "two trillion, one hundred twenty-three billion, five million, six hundred four thousand, six hundred eleven".