1149797265796 has 27 divisors (see below), whose sum is σ = 2018254808773. Its totient is φ = 573158312720.

The previous prime is 1149797265781. The next prime is 1149797265797. The reversal of 1149797265796 is 6975627979411.

The square root of 1149797265796 is 1072286.

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., 368553411396 + 781243854400 = 607086^2 + 883880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149797265797) 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, 988647111 + ... + 988648273.

Almost surely, 2^{1149797265796} is an apocalyptic number.

1149797265796 is the 1072286-th square number.

It is an amenable number.

1149797265796 is a deficient number, since it is larger than the sum of its proper divisors (868457542977).

1149797265796 is an frugal number, since it uses more digits than its factorization.

1149797265796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 1626 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 73.

The spelling of 1149797265796 in words is "one trillion, one hundred forty-nine billion, seven hundred ninety-seven million, two hundred sixty-five thousand, seven hundred ninety-six".