1131368340964 has 81 divisors (see below), whose sum is σ = 2186181961257. Its totient is φ = 512189618688.

The previous prime is 1131368340953. The next prime is 1131368341007. The reversal of 1131368340964 is 4690438631311.

The square root of 1131368340964 is 1063658.

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., 379665468900 + 751702872064 = 616170^2 + 867008^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 929636484 + ... + 929637700.

Almost surely, 2^{1131368340964} is an apocalyptic number.

1131368340964 is the 1063658-th square number.

It is an amenable number.

1131368340964 is a deficient number, since it is larger than the sum of its proper divisors (1054813620293).

1131368340964 is an equidigital number, since it uses as much as digits as its factorization.

1131368340964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

Multiplying 1131368340964 by its sum of digits (49), we get a square (55437048707236 = 7445606²).

The spelling of 1131368340964 in words is "one trillion, one hundred thirty-one billion, three hundred sixty-eight million, three hundred forty thousand, nine hundred sixty-four".