1011130155 has 32 divisors (see below), whose sum is σ = 2054361600. Its totient is φ = 462230496.

The previous prime is 1011130147. The next prime is 1011130171. The reversal of 1011130155 is 5510311101.

It is not a de Polignac number, because 1011130155 - 2³ = 1011130147 is a prime.

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, 534045 + ... + 535934.

It is an arithmetic number, because the mean of its divisors is an integer number (64198800).

Almost surely, 2^1011130155 is an apocalyptic number.

1011130155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1011130155 is an abundant number, since it is smaller than the sum of its proper divisors (1043231445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011130155 is a wasteful number, since it uses less digits than its factorization.

1011130155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070000 (or 1069994 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

The square root of 1011130155 is about 31798.2728304542. The cubic root of 1011130155 is about 1003.6963716684.

Adding to 1011130155 its reverse (5510311101), we get a palindrome (6521441256).

It can be divided in two parts, 101 and 1130155, that added together give a triangular number (1130256 = T₁₅₀₃).

The spelling of 1011130155 in words is "one billion, eleven million, one hundred thirty thousand, one hundred fifty-five".