1151400415 has 16 divisors (see below), whose sum is σ = 1519165440. Its totient is φ = 830783520.

The previous prime is 1151400413. The next prime is 1151400433. The reversal of 1151400415 is 5140041511.

It is a happy number.

It is not a de Polignac number, because 1151400415 - 2¹ = 1151400413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151400413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75435 + ... + 89404.

It is an arithmetic number, because the mean of its divisors is an integer number (94947840).

Almost surely, 2^1151400415 is an apocalyptic number.

1151400415 is a deficient number, since it is larger than the sum of its proper divisors (367765025).

1151400415 is a wasteful number, since it uses less digits than its factorization.

1151400415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164982.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1151400415 is about 33932.2916261192. The cubic root of 1151400415 is about 1048.1146560720.

Adding to 1151400415 its reverse (5140041511), we get a palindrome (6291441926).

It can be divided in two parts, 11 and 51400415, that multiplied together give a palindrome (565404565).

The spelling of 1151400415 in words is "one billion, one hundred fifty-one million, four hundred thousand, four hundred fifteen".