1055915133 has 32 divisors (see below), whose sum is σ = 1737851136. Its totient is φ = 555337728.

The previous prime is 1055915129. The next prime is 1055915173. The reversal of 1055915133 is 3315195501.

It is not a de Polignac number, because 1055915133 - 2² = 1055915129 is a prime.

It is a super-2 number, since 2×1055915133² = 2229913536196815378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055915094 and 1055915103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055915173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90891 + ... + 101847.

It is an arithmetic number, because the mean of its divisors is an integer number (54307848).

Almost surely, 2^1055915133 is an apocalyptic number.

1055915133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1055915133 is a deficient number, since it is larger than the sum of its proper divisors (681936003).

1055915133 is a wasteful number, since it uses less digits than its factorization.

1055915133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333.

The product of its (nonzero) digits is 10125, while the sum is 33.

The square root of 1055915133 is about 32494.8477916115. The cubic root of 1055915133 is about 1018.3013933717.

The spelling of 1055915133 in words is "one billion, fifty-five million, nine hundred fifteen thousand, one hundred thirty-three".