2154522415005 has 96 divisors (see below), whose sum is σ = 3802344249600. Its totient is φ = 1128355329024.

The previous prime is 2154522414983. The next prime is 2154522415027. The reversal of 2154522415005 is 5005142254512.

2154522415005 is a `hidden beast` number, since 2 + 1 + 545 + 22 + 41 + 50 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2154522414983) and next prime (2154522415027).

It is not a de Polignac number, because 2154522415005 - 2⁵ = 2154522414973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1041334111 + ... + 1041336179.

It is an arithmetic number, because the mean of its divisors is an integer number (39607752600).

Almost surely, 2^{2154522415005} is an apocalyptic number.

It is an amenable number.

2154522415005 is a deficient number, since it is larger than the sum of its proper divisors (1647821834595).

2154522415005 is a wasteful number, since it uses less digits than its factorization.

2154522415005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 2154522415005 its reverse (5005142254512), we get a palindrome (7159664669517).

The spelling of 2154522415005 in words is "two trillion, one hundred fifty-four billion, five hundred twenty-two million, four hundred fifteen thousand, five".