155310313716020 has 24 divisors (see below), whose sum is σ = 327355170471168. Its totient is φ = 61894885168800.

The previous prime is 155310313715987. The next prime is 155310313716037. The reversal of 155310313716020 is 20617313013551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14327514296 + ... + 14327525135.

It is an arithmetic number, because the mean of its divisors is an integer number (13639798769632).

Almost surely, 2^{155310313716020} is an apocalyptic number.

155310313716020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155310313716020 is an abundant number, since it is smaller than the sum of its proper divisors (172044856755148).

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

155310313716020 is a wasteful number, since it uses less digits than its factorization.

155310313716020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28655039711 (or 28655039709 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

Adding to 155310313716020 its reverse (20617313013551), we get a palindrome (175927626729571).

The spelling of 155310313716020 in words is "one hundred fifty-five trillion, three hundred ten billion, three hundred thirteen million, seven hundred sixteen thousand, twenty".