1151053311 has 32 divisors (see below), whose sum is σ = 1609771968. Its totient is φ = 730895360.

The previous prime is 1151053291. The next prime is 1151053327. The reversal of 1151053311 is 1133501511.

It is a cyclic number.

It is not a de Polignac number, because 1151053311 - 2¹¹ = 1151051263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151053411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2066245 + ... + 2066801.

It is an arithmetic number, because the mean of its divisors is an integer number (50305374).

Almost surely, 2^1151053311 is an apocalyptic number.

1151053311 is a deficient number, since it is larger than the sum of its proper divisors (458718657).

1151053311 is a wasteful number, since it uses less digits than its factorization.

1151053311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1151053311 is about 33927.1765845612. The cubic root of 1151053311 is about 1048.0093230796.

Adding to 1151053311 its reverse (1133501511), we get a palindrome (2284554822).

It can be divided in two parts, 115 and 1053311, that added together give a triangular number (1053426 = T₁₄₅₁).

The spelling of 1151053311 in words is "one billion, one hundred fifty-one million, fifty-three thousand, three hundred eleven".