11203439616731 has 2 divisors, whose sum is σ = 11203439616732. Its totient is φ = 11203439616730.

The previous prime is 11203439616727. The next prime is 11203439616773. The reversal of 11203439616731 is 13761693430211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11203439616731 - 2² = 11203439616727 is a prime.

It is a super-2 number, since 2×11203439616731² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11203439613731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601719808365 + 5601719808366.

It is an arithmetic number, because the mean of its divisors is an integer number (5601719808366).

Almost surely, 2^{11203439616731} is an apocalyptic number.

11203439616731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203439616731 is an equidigital number, since it uses as much as digits as its factorization.

11203439616731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 11203439616731 in words is "eleven trillion, two hundred three billion, four hundred thirty-nine million, six hundred sixteen thousand, seven hundred thirty-one".