2451515455 has 16 divisors (see below), whose sum is σ = 2953516320. Its totient is φ = 1953433728.

The previous prime is 2451515453. The next prime is 2451515483. The reversal of 2451515455 is 5545151542.

2451515455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2451515455 - 2¹ = 2451515453 is a prime.

It is a super-2 number, since 2×2451515455² = 12019856052207714050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451515453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020429 + ... + 2021641.

It is an arithmetic number, because the mean of its divisors is an integer number (184594770).

Almost surely, 2^2451515455 is an apocalyptic number.

2451515455 is a deficient number, since it is larger than the sum of its proper divisors (502000865).

2451515455 is a wasteful number, since it uses less digits than its factorization.

2451515455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490.

The product of its digits is 100000, while the sum is 37.

The square root of 2451515455 is about 49512.7807237687. The cubic root of 2451515455 is about 1348.3776496729.

Adding to 2451515455 its reverse (5545151542), we get a palindrome (7996666997).

The spelling of 2451515455 in words is "two billion, four hundred fifty-one million, five hundred fifteen thousand, four hundred fifty-five".