65026938138915 has 16 divisors (see below), whose sum is σ = 104043252377088. Its totient is φ = 34680983222496.

The previous prime is 65026938138829. The next prime is 65026938138937. The reversal of 65026938138915 is 51983183962056.

It is not a de Polignac number, because 65026938138915 - 2¹⁰ = 65026938137891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9016864 + ... + 14538146.

It is an arithmetic number, because the mean of its divisors is an integer number (6502703273568).

Almost surely, 2^{65026938138915} is an apocalyptic number.

65026938138915 is a deficient number, since it is larger than the sum of its proper divisors (39016314238173).

65026938138915 is a wasteful number, since it uses less digits than its factorization.

65026938138915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306458.

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 65026938138915 in words is "sixty-five trillion, twenty-six billion, nine hundred thirty-eight million, one hundred thirty-eight thousand, nine hundred fifteen".