1151501040 has 60 divisors (see below), whose sum is σ = 3867126744. Its totient is φ = 307066752.

The previous prime is 1151501009. The next prime is 1151501041. The reversal of 1151501040 is 401051511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151501041) 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 11 ways as a sum of consecutive naturals, for example, 798934 + ... + 800373.

Almost surely, 2^1151501040 is an apocalyptic number.

1151501040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151501040 is an abundant number, since it is smaller than the sum of its proper divisors (2715625704).

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

1151501040 is a wasteful number, since it uses less digits than its factorization.

1151501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599326 (or 1599317 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1151501040 is about 33933.7743258836. The cubic root of 1151501040 is about 1048.1451880119.

Adding to 1151501040 its reverse (401051511), we get a palindrome (1552552551).

The spelling of 1151501040 in words is "one billion, one hundred fifty-one million, five hundred one thousand, forty".