2651131565115 has 64 divisors (see below), whose sum is σ = 4966750006272. Its totient is φ = 1193213030400.

The previous prime is 2651131565083. The next prime is 2651131565227. The reversal of 2651131565115 is 5115651311562.

It is a happy number.

It is not a de Polignac number, because 2651131565115 - 2⁵ = 2651131565083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6268831 + ... + 6678360.

It is an arithmetic number, because the mean of its divisors is an integer number (77605468848).

Almost surely, 2^{2651131565115} is an apocalyptic number.

2651131565115 is a deficient number, since it is larger than the sum of its proper divisors (2315618441157).

2651131565115 is a wasteful number, since it uses less digits than its factorization.

2651131565115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947300.

The product of its digits is 135000, while the sum is 42.

Adding to 2651131565115 its reverse (5115651311562), we get a palindrome (7766782876677).

The spelling of 2651131565115 in words is "two trillion, six hundred fifty-one billion, one hundred thirty-one million, five hundred sixty-five thousand, one hundred fifteen".