1151771103 has 16 divisors (see below), whose sum is σ = 1950088960. Its totient is φ = 658154808.

The previous prime is 1151771081. The next prime is 1151771107. The reversal of 1151771103 is 3011771511.

It is not a de Polignac number, because 1151771103 - 2¹⁴ = 1151754719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151771107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3046825 + ... + 3047202.

It is an arithmetic number, because the mean of its divisors is an integer number (121880560).

Almost surely, 2^1151771103 is an apocalyptic number.

1151771103 is a deficient number, since it is larger than the sum of its proper divisors (798317857).

1151771103 is an equidigital number, since it uses as much as digits as its factorization.

1151771103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094043 (or 6094037 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 27.

The square root of 1151771103 is about 33937.7533581703. The cubic root of 1151771103 is about 1048.2271225472.

The spelling of 1151771103 in words is "one billion, one hundred fifty-one million, seven hundred seventy-one thousand, one hundred three".