155535510035112 has 128 divisors (see below), whose sum is σ = 396129735360000. Its totient is φ = 50877048902400.

The previous prime is 155535510035107. The next prime is 155535510035131. The reversal of 155535510035112 is 211530015535551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2445072187 + ... + 2445135797.

It is an arithmetic number, because the mean of its divisors is an integer number (3094763557500).

Almost surely, 2^{155535510035112} is an apocalyptic number.

155535510035112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155535510035112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198064867680000).

155535510035112 is an abundant number, since it is smaller than the sum of its proper divisors (240594225324888).

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

155535510035112 is a wasteful number, since it uses less digits than its factorization.

155535510035112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67527 (or 67523 counting only the distinct ones).

The product of its (nonzero) digits is 281250, while the sum is 42.

The spelling of 155535510035112 in words is "one hundred fifty-five trillion, five hundred thirty-five billion, five hundred ten million, thirty-five thousand, one hundred twelve".