1081511411 has 2 divisors, whose sum is σ = 1081511412. Its totient is φ = 1081511410.

The previous prime is 1081511401. The next prime is 1081511419. The reversal of 1081511411 is 1141151801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1141151801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081511411 - 2¹⁰ = 1081510387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1081511419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540755705 + 540755706.

It is an arithmetic number, because the mean of its divisors is an integer number (540755706).

Almost surely, 2^1081511411 is an apocalyptic number.

1081511411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081511411 is an equidigital number, since it uses as much as digits as its factorization.

1081511411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 23.

The square root of 1081511411 is about 32886.3407967503. The cubic root of 1081511411 is about 1026.4639516677.

The spelling of 1081511411 in words is "one billion, eighty-one million, five hundred eleven thousand, four hundred eleven".