11013531437 has 2 divisors, whose sum is σ = 11013531438. Its totient is φ = 11013531436.

The previous prime is 11013531433. The next prime is 11013531443. The reversal of 11013531437 is 73413531011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9499621156 + 1513910281 = 97466^2 + 38909^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013531437 - 2² = 11013531433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013531433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506765718 + 5506765719.

It is an arithmetic number, because the mean of its divisors is an integer number (5506765719).

Almost surely, 2^11013531437 is an apocalyptic number.

It is an amenable number.

11013531437 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013531437 is an equidigital number, since it uses as much as digits as its factorization.

11013531437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 11013531437 in words is "eleven billion, thirteen million, five hundred thirty-one thousand, four hundred thirty-seven".