1040253511 has 16 divisors (see below), whose sum is σ = 1213984800. Its totient is φ = 880865280.

The previous prime is 1040253497. The next prime is 1040253523. The reversal of 1040253511 is 1153520401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1040253511 - 2¹³ = 1040245319 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 (1040253611) 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, 10536 + ... + 46813.

It is an arithmetic number, because the mean of its divisors is an integer number (75874050).

Almost surely, 2^1040253511 is an apocalyptic number.

1040253511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1040253511 is a deficient number, since it is larger than the sum of its proper divisors (173731289).

1040253511 is a wasteful number, since it uses less digits than its factorization.

1040253511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57474.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1040253511 is about 32252.9612748969. The cubic root of 1040253511 is about 1013.2417199057.

Adding to 1040253511 its reverse (1153520401), we get a palindrome (2193773912).

The spelling of 1040253511 in words is "one billion, forty million, two hundred fifty-three thousand, five hundred eleven".