1151411440 has 80 divisors (see below), whose sum is σ = 2710326528. Its totient is φ = 454883328.

The previous prime is 1151411369. The next prime is 1151411449. The reversal of 1151411440 is 441141511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151411449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156582 + ... + 4156858.

Almost surely, 2^1151411440 is an apocalyptic number.

1151411440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151411440 is an abundant number, since it is smaller than the sum of its proper divisors (1558915088).

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

1151411440 is a wasteful number, since it uses less digits than its factorization.

1151411440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1151411440 is about 33932.4540816016. The cubic root of 1151411440 is about 1048.1180013974.

Adding to 1151411440 its reverse (441141511), we get a palindrome (1592552951).

The spelling of 1151411440 in words is "one billion, one hundred fifty-one million, four hundred eleven thousand, four hundred forty".