1055115505 has 16 divisors (see below), whose sum is σ = 1348845120. Its totient is φ = 790026048.

The previous prime is 1055115499. The next prime is 1055115533. The reversal of 1055115505 is 5055115501.

It is a cyclic number.

It is not a de Polignac number, because 1055115505 - 2⁹ = 1055114993 is a prime.

It is a super-2 number, since 2×1055115505² = 2226537457782810050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59022 + ... + 74791.

It is an arithmetic number, because the mean of its divisors is an integer number (84302820).

Almost surely, 2^1055115505 is an apocalyptic number.

It is an amenable number.

1055115505 is a deficient number, since it is larger than the sum of its proper divisors (293729615).

1055115505 is a wasteful number, since it uses less digits than its factorization.

1055115505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133920.

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 1055115505 is about 32482.5415415728. The cubic root of 1055115505 is about 1018.0442805570.

The spelling of 1055115505 in words is "one billion, fifty-five million, one hundred fifteen thousand, five hundred five".