1161958955364 has 27 divisors (see below), whose sum is σ = 2937190374937. Its totient is φ = 387317495904.

The previous prime is 1161958955359. The next prime is 1161958955389. The reversal of 1161958955364 is 4635598591611.

The square root of 1161958955364 is 1077942.

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

1161958955364 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 9 + 5 + 8 + 95 + 536 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1058408864100 + 103550091264 = 1028790^2 + 321792^2 .

It is a super-2 number, since 2×1161958955364² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6377824 + ... + 6557480.

Almost surely, 2^{1161958955364} is an apocalyptic number.

1161958955364 is the 1077942-nd square number.

It is an amenable number.

1161958955364 is an abundant number, since it is smaller than the sum of its proper divisors (1775231419573).

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

1161958955364 is an frugal number, since it uses more digits than its factorization.

1161958955364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359324 (or 179662 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 63.

The spelling of 1161958955364 in words is "one trillion, one hundred sixty-one billion, nine hundred fifty-eight million, nine hundred fifty-five thousand, three hundred sixty-four".