11321303157 has 6 divisors (see below), whose sum is σ = 16352993462. Its totient is φ = 7547535432.

The previous prime is 11321303141. The next prime is 11321303171. The reversal of 11321303157 is 75130312311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7342090596 + 3979212561 = 85686^2 + 63081^2 .

It is not a de Polignac number, because 11321303157 - 2⁴ = 11321303141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321303157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321303107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628961278 + ... + 628961295.

Almost surely, 2^11321303157 is an apocalyptic number.

It is an amenable number.

11321303157 is a deficient number, since it is larger than the sum of its proper divisors (5031690305).

11321303157 is a wasteful number, since it uses less digits than its factorization.

11321303157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257922579 (or 1257922576 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

Adding to 11321303157 its reverse (75130312311), we get a palindrome (86451615468).

The spelling of 11321303157 in words is "eleven billion, three hundred twenty-one million, three hundred three thousand, one hundred fifty-seven".