1151030040 has 128 divisors (see below), whose sum is σ = 3560794560. Its totient is φ = 297437184.

The previous prime is 1151030029. The next prime is 1151030053. The reversal of 1151030040 is 400301511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762354 + ... + 1763006.

Almost surely, 2^1151030040 is an apocalyptic number.

1151030040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151030040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780397280).

1151030040 is an abundant number, since it is smaller than the sum of its proper divisors (2409764520).

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

1151030040 is a wasteful number, since it uses less digits than its factorization.

1151030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1151030040 is about 33926.8336276759. The cubic root of 1151030040 is about 1048.0022604500.

Adding to 1151030040 its reverse (400301511), we get a palindrome (1551331551).

The spelling of 1151030040 in words is "one billion, one hundred fifty-one million, thirty thousand, forty".