1011255201 has 96 divisors (see below), whose sum is σ = 1726583040. Its totient is φ = 569184000.

The previous prime is 1011255169. The next prime is 1011255227. The reversal of 1011255201 is 1025521101.

1011255201 is a `hidden beast` number, since 1 + 0 + 112 + 552 + 0 + 1 = 666.

It is not a de Polignac number, because 1011255201 - 2⁵ = 1011255169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011255281) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14242996 + ... + 14243066.

It is an arithmetic number, because the mean of its divisors is an integer number (17985240).

Almost surely, 2^1011255201 is an apocalyptic number.

1011255201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011255201 is a deficient number, since it is larger than the sum of its proper divisors (715327839).

1011255201 is a wasteful number, since it uses less digits than its factorization.

1011255201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1011255201 is about 31800.2390085358. The cubic root of 1011255201 is about 1003.7377455187.

Adding to 1011255201 its reverse (1025521101), we get a palindrome (2036776302).

It can be divided in two parts, 10 and 11255201, that added together give a palindrome (11255211).

The spelling of 1011255201 in words is "one billion, eleven million, two hundred fifty-five thousand, two hundred one".