1065354552461 has 4 divisors (see below), whose sum is σ = 1068093253500. Its totient is φ = 1062615851424.

The previous prime is 1065354552407. The next prime is 1065354552463. The reversal of 1065354552461 is 1642554535601.

It is a happy number.

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 596532246025 + 468822306436 = 772355^2 + 684706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065354552461 is a prime.

It is a super-2 number, since 2×1065354552461² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065354552463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369349936 + ... + 1369350713.

It is an arithmetic number, because the mean of its divisors is an integer number (267023313375).

Almost surely, 2^{1065354552461} is an apocalyptic number.

It is an amenable number.

1065354552461 is a deficient number, since it is larger than the sum of its proper divisors (2738701039).

1065354552461 is an equidigital number, since it uses as much as digits as its factorization.

1065354552461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738701038.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 1065354552461 in words is "one trillion, sixty-five billion, three hundred fifty-four million, five hundred fifty-two thousand, four hundred sixty-one".