155220141120 has 112 divisors (see below), whose sum is σ = 537626161728. Its totient is φ = 37629122560.

The previous prime is 155220141107. The next prime is 155220141149. The reversal of 155220141120 is 21141022551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7338879 + ... + 7359998.

Almost surely, 2^155220141120 is an apocalyptic number.

155220141120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155220141120 is an abundant number, since it is smaller than the sum of its proper divisors (382406020608).

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

155220141120 is a wasteful number, since it uses less digits than its factorization.

155220141120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14698908 (or 14698898 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 155220141120 its reverse (21141022551), we get a palindrome (176361163671).

The spelling of 155220141120 in words is "one hundred fifty-five billion, two hundred twenty million, one hundred forty-one thousand, one hundred twenty".