2556154673155 has 8 divisors (see below), whose sum is σ = 3071876659632. Its totient is φ = 2041929703968.

The previous prime is 2556154673141. The next prime is 2556154673207. The reversal of 2556154673155 is 5513764516552.

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

It is a cyclic number.

It is not a de Polignac number, because 2556154673155 - 2¹¹ = 2556154671107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2556154673096 and 2556154673105.

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, 374250564 + ... + 374257393.

It is an arithmetic number, because the mean of its divisors is an integer number (383984582454).

Almost surely, 2^{2556154673155} is an apocalyptic number.

2556154673155 is a deficient number, since it is larger than the sum of its proper divisors (515721986477).

2556154673155 is an equidigital number, since it uses as much as digits as its factorization.

2556154673155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748508645.

The product of its digits is 18900000, while the sum is 55.

The spelling of 2556154673155 in words is "two trillion, five hundred fifty-six billion, one hundred fifty-four million, six hundred seventy-three thousand, one hundred fifty-five".