1105155051 has 48 divisors (see below), whose sum is σ = 1989400320. Its totient is φ = 529925760.

The previous prime is 1105155001. The next prime is 1105155067. The reversal of 1105155051 is 1505515011.

It is not a de Polignac number, because 1105155051 - 2⁶ = 1105154987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105155001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24885 + ... + 53193.

It is an arithmetic number, because the mean of its divisors is an integer number (41445840).

Almost surely, 2^1105155051 is an apocalyptic number.

1105155051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1105155051 is a deficient number, since it is larger than the sum of its proper divisors (884245269).

1105155051 is a wasteful number, since it uses less digits than its factorization.

1105155051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28356 (or 28343 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1105155051 is about 33243.8723827415. The cubic root of 1105155051 is about 1033.8901655699.

The spelling of 1105155051 in words is "one billion, one hundred five million, one hundred fifty-five thousand, fifty-one".