1146053750521 has 9 divisors (see below), whose sum is σ = 1149579117999. Its totient is φ = 1142539170984.

The previous prime is 1146053750507. The next prime is 1146053750533. The reversal of 1146053750521 is 1250573506411.

It is a happy number.

The square root of 1146053750521 is 1070539.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1144482738025 + 1571012496 = 1069805^2 + 39636^2 .

It is not a de Polignac number, because 1146053750521 - 2⁵ = 1146053750489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146053750561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 392886355 + ... + 392889271.

It is an arithmetic number, because the mean of its divisors is an integer number (127731013111).

Almost surely, 2^{1146053750521} is an apocalyptic number.

1146053750521 is the 1070539-th square number.

1146053750521 is the 535270-th centered octagonal number.

It is an amenable number.

1146053750521 is a deficient number, since it is larger than the sum of its proper divisors (3525367478).

1146053750521 is an frugal number, since it uses more digits than its factorization.

1146053750521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 1146053750521 in words is "one trillion, one hundred forty-six billion, fifty-three million, seven hundred fifty thousand, five hundred twenty-one".