1055787911 has 2 divisors, whose sum is σ = 1055787912. Its totient is φ = 1055787910.

The previous prime is 1055787899. The next prime is 1055787913. The reversal of 1055787911 is 1197875501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055787911 - 2²² = 1051593607 is a prime.

It is a super-2 number, since 2×1055787911² = 2229376226027487842, which contains 22 as substring.

Together with 1055787913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055787913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527893955 + 527893956.

It is an arithmetic number, because the mean of its divisors is an integer number (527893956).

Almost surely, 2^1055787911 is an apocalyptic number.

1055787911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055787911 is an equidigital number, since it uses as much as digits as its factorization.

1055787911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 44.

The square root of 1055787911 is about 32492.8901607721. The cubic root of 1055787911 is about 1018.2604950270.

The spelling of 1055787911 in words is "one billion, fifty-five million, seven hundred eighty-seven thousand, nine hundred eleven".