2505215513454 has 8 divisors (see below), whose sum is σ = 5010431026920. Its totient is φ = 835071837816.

The previous prime is 2505215513453. The next prime is 2505215513477. The reversal of 2505215513454 is 4543155125052.

It is a happy number.

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

2505215513454 is an admirable number.

It is a super-2 number, since 2×2505215513454² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505215513453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208767959449 + ... + 208767959460.

It is an arithmetic number, because the mean of its divisors is an integer number (626303878365).

Almost surely, 2^{2505215513454} is an apocalyptic number.

2505215513454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505215513454 is a wasteful number, since it uses less digits than its factorization.

2505215513454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417535918914.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 2505215513454 in words is "two trillion, five hundred five billion, two hundred fifteen million, five hundred thirteen thousand, four hundred fifty-four".