11031251553 has 48 divisors (see below), whose sum is σ = 19181418880. Its totient is φ = 5967862272.

The previous prime is 11031251551. The next prime is 11031251557. The reversal of 11031251553 is 35515213011.

11031251553 is a `hidden beast` number, since 1 + 103 + 1 + 2 + 5 + 1 + 553 = 666.

It is not a de Polignac number, because 11031251553 - 2¹ = 11031251551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031251551) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3389475 + ... + 3392727.

Almost surely, 2^11031251553 is an apocalyptic number.

It is an amenable number.

11031251553 is a deficient number, since it is larger than the sum of its proper divisors (8150167327).

11031251553 is a wasteful number, since it uses less digits than its factorization.

11031251553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118 (or 6115 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 11031251553 its reverse (35515213011), we get a palindrome (46546464564).

The spelling of 11031251553 in words is "eleven billion, thirty-one million, two hundred fifty-one thousand, five hundred fifty-three".