2555423215545 has 8 divisors (see below), whose sum is σ = 4088677144896. Its totient is φ = 1362892381616.

The previous prime is 2555423215523. The next prime is 2555423215559. The reversal of 2555423215545 is 5455123245552.

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 2555423215545 - 2¹⁸ = 2555422953401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2555423215494 and 2555423215503.

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, 85180773837 + ... + 85180773866.

It is an arithmetic number, because the mean of its divisors is an integer number (511084643112).

Almost surely, 2^{2555423215545} is an apocalyptic number.

It is an amenable number.

2555423215545 is a deficient number, since it is larger than the sum of its proper divisors (1533253929351).

2555423215545 is a wasteful number, since it uses less digits than its factorization.

2555423215545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170361547711.

The product of its digits is 6000000, while the sum is 48.

The spelling of 2555423215545 in words is "two trillion, five hundred fifty-five billion, four hundred twenty-three million, two hundred fifteen thousand, five hundred forty-five".