1055011511 has 2 divisors, whose sum is σ = 1055011512. Its totient is φ = 1055011510.

The previous prime is 1055011487. The next prime is 1055011523. The reversal of 1055011511 is 1151105501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055011511 is a prime.

It is a super-2 number, since 2×1055011511² = 2226098576685006242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055011591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527505755 + 527505756.

It is an arithmetic number, because the mean of its divisors is an integer number (527505756).

Almost surely, 2^1055011511 is an apocalyptic number.

1055011511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055011511 is an equidigital number, since it uses as much as digits as its factorization.

1055011511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 1055011511 is about 32480.9407345292. The cubic root of 1055011511 is about 1018.0108327259.

The spelling of 1055011511 in words is "one billion, fifty-five million, eleven thousand, five hundred eleven".