1065511561047 has 16 divisors (see below), whose sum is σ = 1453846339968. Its totient is φ = 693761755680.

The previous prime is 1065511561031. The next prime is 1065511561129. The reversal of 1065511561047 is 7401651155601.

1065511561047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1065511561047 - 2⁴ = 1065511561031 is a prime.

It is a super-2 number, since 2×1065511561047² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065511561847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174272 + ... + 1873482.

It is an arithmetic number, because the mean of its divisors is an integer number (90865396248).

Almost surely, 2^{1065511561047} is an apocalyptic number.

1065511561047 is a deficient number, since it is larger than the sum of its proper divisors (388334778921).

1065511561047 is a wasteful number, since it uses less digits than its factorization.

1065511561047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711070.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 1065511561047 in words is "one trillion, sixty-five billion, five hundred eleven million, five hundred sixty-one thousand, forty-seven".