1161960733540 has 48 divisors (see below), whose sum is σ = 2445835658112. Its totient is φ = 463696321536.

The previous prime is 1161960733519. The next prime is 1161960733543. The reversal of 1161960733540 is 453370691611.

It is not an unprimeable number, because it can be changed into a prime (1161960733543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15940657 + ... + 16013383.

It is an arithmetic number, because the mean of its divisors is an integer number (50954909544).

Almost surely, 2^{1161960733540} is an apocalyptic number.

1161960733540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161960733540 is an abundant number, since it is smaller than the sum of its proper divisors (1283874924572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161960733540 is a wasteful number, since it uses less digits than its factorization.

1161960733540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74596 (or 74594 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 1161960733540 in words is "one trillion, one hundred sixty-one billion, nine hundred sixty million, seven hundred thirty-three thousand, five hundred forty".