155250120132 has 36 divisors (see below), whose sum is σ = 392584098816. Its totient is φ = 51730748400.

The previous prime is 155250120131. The next prime is 155250120133. The reversal of 155250120132 is 231021052551.

155250120132 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 501 + 20 + 132 = 666.

It is an interprime number because it is at equal distance from previous prime (155250120131) and next prime (155250120133).

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 155250120096 and 155250120105.

It is not an unprimeable number, because it can be changed into a prime (155250120131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705744 + ... + 899207.

It is an arithmetic number, because the mean of its divisors is an integer number (10905113856).

Almost surely, 2^155250120132 is an apocalyptic number.

155250120132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155250120132 is an abundant number, since it is smaller than the sum of its proper divisors (237333978684).

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

155250120132 is a wasteful number, since it uses less digits than its factorization.

155250120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607648 (or 1607643 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 155250120132 its reverse (231021052551), we get a palindrome (386271172683).

The spelling of 155250120132 in words is "one hundred fifty-five billion, two hundred fifty million, one hundred twenty thousand, one hundred thirty-two".