1151511413 has 16 divisors (see below), whose sum is σ = 1257553920. Its totient is φ = 1054308528.

The previous prime is 1151511407. The next prime is 1151511451. The reversal of 1151511413 is 3141151511.

It is not a de Polignac number, because 1151511413 - 2⁶ = 1151511349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151511113) 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, 276956 + ... + 281082.

It is an arithmetic number, because the mean of its divisors is an integer number (78597120).

Almost surely, 2^1151511413 is an apocalyptic number.

1151511413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1151511413 is a deficient number, since it is larger than the sum of its proper divisors (106042507).

1151511413 is an equidigital number, since it uses as much as digits as its factorization.

1151511413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293 (or 4267 counting only the distinct ones).

The product of its digits is 300, while the sum is 23.

The square root of 1151511413 is about 33933.9271673645. The cubic root of 1151511413 is about 1048.1483353177.

Adding to 1151511413 its reverse (3141151511), we get a palindrome (4292662924).

The spelling of 1151511413 in words is "one billion, one hundred fifty-one million, five hundred eleven thousand, four hundred thirteen".