11031411557 has 8 divisors (see below), whose sum is σ = 11053579680. Its totient is φ = 11009261200.

The previous prime is 11031411553. The next prime is 11031411563. The reversal of 11031411557 is 75511413011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11031411557 - 2² = 11031411553 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 (11031411553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2436698 + ... + 2441220.

It is an arithmetic number, because the mean of its divisors is an integer number (1381697460).

Almost surely, 2^11031411557 is an apocalyptic number.

It is an amenable number.

11031411557 is a deficient number, since it is larger than the sum of its proper divisors (22168123).

11031411557 is an equidigital number, since it uses as much as digits as its factorization.

11031411557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883.

The product of its (nonzero) digits is 2100, while the sum is 29.

Adding to 11031411557 its reverse (75511413011), we get a palindrome (86542824568).

The spelling of 11031411557 in words is "eleven billion, thirty-one million, four hundred eleven thousand, five hundred fifty-seven".