1081477462061 has 2 divisors, whose sum is σ = 1081477462062. Its totient is φ = 1081477462060.

The previous prime is 1081477462027. The next prime is 1081477462063. The reversal of 1081477462061 is 1602647741801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074914841961 + 6562620100 = 1036781^2 + 81010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081477462061 is a prime.

Together with 1081477462063, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1081477461997 and 1081477462015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081477462063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540738731030 + 540738731031.

It is an arithmetic number, because the mean of its divisors is an integer number (540738731031).

Almost surely, 2^{1081477462061} is an apocalyptic number.

It is an amenable number.

1081477462061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081477462061 is an equidigital number, since it uses as much as digits as its factorization.

1081477462061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 1081477462061 in words is "one trillion, eighty-one billion, four hundred seventy-seven million, four hundred sixty-two thousand, sixty-one".