315540011603 has 2 divisors, whose sum is σ = 315540011604. Its totient is φ = 315540011602.

The previous prime is 315540011543. The next prime is 315540011609. The reversal of 315540011603 is 306110045513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315540011603 - 2¹⁴ = 315539995219 is a prime.

It is not a weakly prime, because it can be changed into another prime (315540011609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157770005801 + 157770005802.

It is an arithmetic number, because the mean of its divisors is an integer number (157770005802).

Almost surely, 2^315540011603 is an apocalyptic number.

315540011603 is a deficient number, since it is larger than the sum of its proper divisors (1).

315540011603 is an equidigital number, since it uses as much as digits as its factorization.

315540011603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 315540011603 in words is "three hundred fifteen billion, five hundred forty million, eleven thousand, six hundred three".