155479552320 has 112 divisors (see below), whose sum is σ = 501740350848. Its totient is φ = 40781506560.

The previous prime is 155479552301. The next prime is 155479552339. The reversal of 155479552320 is 23255974551.

It is an interprime number because it is at equal distance from previous prime (155479552301) and next prime (155479552339).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 155479552320.

It is a congruent number.

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, 1268964 + ... + 1386083.

Almost surely, 2^155479552320 is an apocalyptic number.

155479552320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155479552320 is an abundant number, since it is smaller than the sum of its proper divisors (346260798528).

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

155479552320 is a wasteful number, since it uses less digits than its factorization.

155479552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655128 (or 2655118 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 155479552320 in words is "one hundred fifty-five billion, four hundred seventy-nine million, five hundred fifty-two thousand, three hundred twenty".