2153691673055 has 8 divisors (see below), whose sum is σ = 2783232316032. Its totient is φ = 1590418466208.

The previous prime is 2153691673037. The next prime is 2153691673073. The reversal of 2153691673055 is 5503761963512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2153691673037) and next prime (2153691673073).

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

It is not a de Polignac number, because 2153691673055 - 2²² = 2153687478751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153691672988 and 2153691673006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16566858959 + ... + 16566859088.

It is an arithmetic number, because the mean of its divisors is an integer number (347904039504).

Almost surely, 2^{2153691673055} is an apocalyptic number.

2153691673055 is a deficient number, since it is larger than the sum of its proper divisors (629540642977).

2153691673055 is a wasteful number, since it uses less digits than its factorization.

2153691673055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33133718065.

The product of its (nonzero) digits is 5103000, while the sum is 53.

The spelling of 2153691673055 in words is "two trillion, one hundred fifty-three billion, six hundred ninety-one million, six hundred seventy-three thousand, fifty-five".