1161083477 has 2 divisors, whose sum is σ = 1161083478. Its totient is φ = 1161083476.

The previous prime is 1161083471. The next prime is 1161083509. The reversal of 1161083477 is 7743801611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 701667121 + 459416356 = 26489^2 + 21434^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161083477 - 2¹⁰ = 1161082453 is a prime.

It is a super-2 number, since 2×1161083477² = 2696229681124819058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1161083477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161083471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580541738 + 580541739.

It is an arithmetic number, because the mean of its divisors is an integer number (580541739).

Almost surely, 2^1161083477 is an apocalyptic number.

It is an amenable number.

1161083477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161083477 is an equidigital number, since it uses as much as digits as its factorization.

1161083477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1161083477 is about 34074.6750094553. The cubic root of 1161083477 is about 1051.0446072763.

The spelling of 1161083477 in words is "one billion, one hundred sixty-one million, eighty-three thousand, four hundred seventy-seven".