65126262155 has 4 divisors (see below), whose sum is σ = 78151514592. Its totient is φ = 52101009720.

The previous prime is 65126262127. The next prime is 65126262233. The reversal of 65126262155 is 55126262156.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65126262155 - 2¹² = 65126258059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6512626211 + ... + 6512626220.

It is an arithmetic number, because the mean of its divisors is an integer number (19537878648).

Almost surely, 2^65126262155 is an apocalyptic number.

65126262155 is a deficient number, since it is larger than the sum of its proper divisors (13025252437).

65126262155 is a wasteful number, since it uses less digits than its factorization.

65126262155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025252436.

The product of its digits is 216000, while the sum is 41.

Subtracting from 65126262155 its reverse (55126262156), we obtain a palindrome (9999999999).

The spelling of 65126262155 in words is "sixty-five billion, one hundred twenty-six million, two hundred sixty-two thousand, one hundred fifty-five".