155404151320 has 64 divisors (see below), whose sum is σ = 383383044000. Its totient is φ = 56223713280.

The previous prime is 155404151311. The next prime is 155404151393. The reversal of 155404151320 is 23151404551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809745 + ... + 983104.

Almost surely, 2^155404151320 is an apocalyptic number.

155404151320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155404151320 is an abundant number, since it is smaller than the sum of its proper divisors (227978892680).

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

155404151320 is a wasteful number, since it uses less digits than its factorization.

155404151320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793068 (or 1793064 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 155404151320 its reverse (23151404551), we get a palindrome (178555555871).

The spelling of 155404151320 in words is "one hundred fifty-five billion, four hundred four million, one hundred fifty-one thousand, three hundred twenty".