1955105152 has 128 divisors (see below), whose sum is σ = 5229907200. Its totient is φ = 703088640.

The previous prime is 1955105147. The next prime is 1955105153. The reversal of 1955105152 is 2515015591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955105153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120499 + ... + 135757.

It is an arithmetic number, because the mean of its divisors is an integer number (40858650).

Almost surely, 2^1955105152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955105152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614953600).

1955105152 is an abundant number, since it is smaller than the sum of its proper divisors (3274802048).

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

1955105152 is a wasteful number, since it uses less digits than its factorization.

1955105152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304 (or 15292 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 34.

The square root of 1955105152 is about 44216.5710113301. The cubic root of 1955105152 is about 1250.4222897477.

The spelling of 1955105152 in words is "one billion, nine hundred fifty-five million, one hundred five thousand, one hundred fifty-two".