265312461506516 has 12 divisors (see below), whose sum is σ = 464301268169088. Its totient is φ = 132654956315352.

The previous prime is 265312461506447. The next prime is 265312461506531. The reversal of 265312461506516 is 615605164213562.

It is a congruent 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, 318140996 + ... + 318973851.

It is an arithmetic number, because the mean of its divisors is an integer number (38691772347424).

Almost surely, 2^{265312461506516} is an apocalyptic number.

It is an amenable number.

265312461506516 is a deficient number, since it is larger than the sum of its proper divisors (198988806662572).

265312461506516 is a wasteful number, since it uses less digits than its factorization.

265312461506516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637218958 (or 637218956 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 53.

The spelling of 265312461506516 in words is "two hundred sixty-five trillion, three hundred twelve billion, four hundred sixty-one million, five hundred six thousand, five hundred sixteen".