2451155115 has 32 divisors (see below), whose sum is σ = 4156163136. Its totient is φ = 1229312000.

The previous prime is 2451155053. The next prime is 2451155117. The reversal of 2451155115 is 5115511542.

It is not a de Polignac number, because 2451155115 - 2⁷ = 2451154987 is a prime.

It is a super-2 number, since 2×2451155115² = 12016322795581326450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2451155117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346615 + ... + 353615.

It is an arithmetic number, because the mean of its divisors is an integer number (129880098).

Almost surely, 2^2451155115 is an apocalyptic number.

2451155115 is a deficient number, since it is larger than the sum of its proper divisors (1705008021).

2451155115 is a wasteful number, since it uses less digits than its factorization.

2451155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399.

The product of its digits is 5000, while the sum is 30.

The square root of 2451155115 is about 49509.1417316035. The cubic root of 2451155115 is about 1348.3115819393.

Adding to 2451155115 its reverse (5115511542), we get a palindrome (7566666657).

The spelling of 2451155115 in words is "two billion, four hundred fifty-one million, one hundred fifty-five thousand, one hundred fifteen".