1056211455 has 32 divisors (see below), whose sum is σ = 1864336320. Its totient is φ = 507294720.

The previous prime is 1056211423. The next prime is 1056211489. The reversal of 1056211455 is 5541126501.

It is not a de Polignac number, because 1056211455 - 2⁵ = 1056211423 is a prime.

It is a super-2 number, since 2×1056211455² = 2231165275346434050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58060 + ... + 74049.

It is an arithmetic number, because the mean of its divisors is an integer number (58260510).

Almost surely, 2^1056211455 is an apocalyptic number.

1056211455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056211455 is a deficient number, since it is larger than the sum of its proper divisors (808124865).

1056211455 is a wasteful number, since it uses less digits than its factorization.

1056211455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132171.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1056211455 is about 32499.4069945899. The cubic root of 1056211455 is about 1018.3966399416.

Adding to 1056211455 its reverse (5541126501), we get a palindrome (6597337956).

The spelling of 1056211455 in words is "one billion, fifty-six million, two hundred eleven thousand, four hundred fifty-five".