1051653203361 has 20 divisors (see below), whose sum is σ = 1571015987200. Its totient is φ = 701089698456.

The previous prime is 1051653203353. The next prime is 1051653203411. The reversal of 1051653203361 is 1633023561501.

1051653203361 is a `hidden beast` number, since 1 + 0 + 516 + 53 + 2 + 0 + 33 + 61 = 666.

It is not a de Polignac number, because 1051653203361 - 2³ = 1051653203353 is a prime.

It is a super-2 number, since 2×1051653203361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1051653203561) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7910880 + ... + 8042718.

It is an arithmetic number, because the mean of its divisors is an integer number (78550799360).

Almost surely, 2^{1051653203361} is an apocalyptic number.

It is an amenable number.

1051653203361 is a deficient number, since it is larger than the sum of its proper divisors (519362783839).

1051653203361 is an equidigital number, since it uses as much as digits as its factorization.

1051653203361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230330 (or 230321 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 1051653203361 its reverse (1633023561501), we get a palindrome (2684676764862).

The spelling of 1051653203361 in words is "one trillion, fifty-one billion, six hundred fifty-three million, two hundred three thousand, three hundred sixty-one".