283748082015505 has 4 divisors (see below), whose sum is σ = 340497698418612. Its totient is φ = 226998465612400.

The previous prime is 283748082015493. The next prime is 283748082015529. The reversal of 283748082015505 is 505510280847382.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39598425681984 + 244149656333521 = 6292728^2 + 15625289^2 .

It is a de Polignac number, because none of the positive numbers 2^k-283748082015505 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283748082015505.

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, 28374808201546 + ... + 28374808201555.

It is an arithmetic number, because the mean of its divisors is an integer number (85124424604653).

Almost surely, 2^{283748082015505} is an apocalyptic number.

It is an amenable number.

283748082015505 is a deficient number, since it is larger than the sum of its proper divisors (56749616403107).

283748082015505 is an equidigital number, since it uses as much as digits as its factorization.

283748082015505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56749616403106.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 283748082015505 in words is "two hundred eighty-three trillion, seven hundred forty-eight billion, eighty-two million, fifteen thousand, five hundred five".