11870140523 has 2 divisors, whose sum is σ = 11870140524. Its totient is φ = 11870140522.

The previous prime is 11870140511. The next prime is 11870140573. The reversal of 11870140523 is 32504107811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11870140523 - 2⁸ = 11870140267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11870140523.

It is not a weakly prime, because it can be changed into another prime (11870140573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935070261 + 5935070262.

It is an arithmetic number, because the mean of its divisors is an integer number (5935070262).

Almost surely, 2^11870140523 is an apocalyptic number.

11870140523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11870140523 is an equidigital number, since it uses as much as digits as its factorization.

11870140523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 11870140523 in words is "eleven billion, eight hundred seventy million, one hundred forty thousand, five hundred twenty-three".