135510515021120 has 56 divisors (see below), whose sum is σ = 322869122961504. Its totient is φ = 54173178763776.

The previous prime is 135510515021117. The next prime is 135510515021179. The reversal of 135510515021120 is 21120515015531.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120640262 + ... + 121758341.

It is an arithmetic number, because the mean of its divisors is an integer number (5765520052884).

Almost surely, 2^{135510515021120} is an apocalyptic number.

135510515021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135510515021120 is an abundant number, since it is smaller than the sum of its proper divisors (187358607940384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135510515021120 is a wasteful number, since it uses less digits than its factorization.

135510515021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242400367 (or 242400357 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 135510515021120 in words is "one hundred thirty-five trillion, five hundred ten billion, five hundred fifteen million, twenty-one thousand, one hundred twenty".