135555525031 has 8 divisors (see below), whose sum is σ = 136134144000. Its totient is φ = 134977001880.

The previous prime is 135555525013. The next prime is 135555525067. The reversal of 135555525031 is 130525555531.

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 135555525031 - 2¹⁵ = 135555492263 is a prime.

It is a super-2 number, since 2×135555525031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555525071) 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, 5453770 + ... + 5478568.

It is an arithmetic number, because the mean of its divisors is an integer number (17016768000).

Almost surely, 2^135555525031 is an apocalyptic number.

135555525031 is a deficient number, since it is larger than the sum of its proper divisors (578618969).

135555525031 is a wasteful number, since it uses less digits than its factorization.

135555525031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47909.

The product of its (nonzero) digits is 281250, while the sum is 40.

The spelling of 135555525031 in words is "one hundred thirty-five billion, five hundred fifty-five million, five hundred twenty-five thousand, thirty-one".