1053661147205 has 16 divisors (see below), whose sum is σ = 1271835937008. Its totient is φ = 837970560000.

The previous prime is 1053661147139. The next prime is 1053661147247. The reversal of 1053661147205 is 5027411663501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 458786766244 + 594874380961 = 677338^2 + 771281^2 .

It is not a de Polignac number, because 1053661147205 - 2¹² = 1053661143109 is a prime.

It is a super-2 number, since 2×1053661147205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2327075 + ... + 2742735.

It is an arithmetic number, because the mean of its divisors is an integer number (79489746063).

Almost surely, 2^{1053661147205} is an apocalyptic number.

It is an amenable number.

1053661147205 is a deficient number, since it is larger than the sum of its proper divisors (218174789803).

1053661147205 is a wasteful number, since it uses less digits than its factorization.

1053661147205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418648.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 1053661147205 in words is "one trillion, fifty-three billion, six hundred sixty-one million, one hundred forty-seven thousand, two hundred five".