1005235155 has 12 divisors (see below), whose sum is σ = 1742407680. Its totient is φ = 536125392.

The previous prime is 1005235141. The next prime is 1005235157. The reversal of 1005235155 is 5515325001.

It is not a de Polignac number, because 1005235155 - 2¹¹ = 1005233107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005235157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11169235 + ... + 11169324.

It is an arithmetic number, because the mean of its divisors is an integer number (145200640).

Almost surely, 2^1005235155 is an apocalyptic number.

1005235155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1005235155 is a deficient number, since it is larger than the sum of its proper divisors (737172525).

1005235155 is a wasteful number, since it uses less digits than its factorization.

1005235155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22338570 (or 22338567 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1005235155 is about 31705.4436177764. The cubic root of 1005235155 is about 1001.7420152873.

The spelling of 1005235155 in words is "one billion, five million, two hundred thirty-five thousand, one hundred fifty-five".