1138529501403 has 24 divisors (see below), whose sum is σ = 1858823680320. Its totient is φ = 616346796240.

The previous prime is 1138529501377. The next prime is 1138529501413. The reversal of 1138529501403 is 3041059258311.

It is a happy number.

It is not a de Polignac number, because 1138529501403 - 2⁹ = 1138529500891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138529501413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203815593 + ... + 203821178.

It is an arithmetic number, because the mean of its divisors is an integer number (77450986680).

Almost surely, 2^{1138529501403} is an apocalyptic number.

1138529501403 is a deficient number, since it is larger than the sum of its proper divisors (720294178917).

1138529501403 is a wasteful number, since it uses less digits than its factorization.

1138529501403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407636807 (or 407636800 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 1138529501403 in words is "one trillion, one hundred thirty-eight billion, five hundred twenty-nine million, five hundred one thousand, four hundred three".