135111551603 has 8 divisors (see below), whose sum is σ = 154781733120. Its totient is φ = 115533502920.

The previous prime is 135111551563. The next prime is 135111551677. The reversal of 135111551603 is 306155111531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135111551603 - 2⁸ = 135111551347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135111551603.

It is not an unprimeable number, because it can be changed into a prime (135111551303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23030063 + ... + 23035928.

It is an arithmetic number, because the mean of its divisors is an integer number (19347716640).

Almost surely, 2^135111551603 is an apocalyptic number.

135111551603 is a deficient number, since it is larger than the sum of its proper divisors (19670181517).

135111551603 is an equidigital number, since it uses as much as digits as its factorization.

135111551603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46066417.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 135111551603 in words is "one hundred thirty-five billion, one hundred eleven million, five hundred fifty-one thousand, six hundred three".