155873006415 has 48 divisors (see below), whose sum is σ = 315346756608. Its totient is φ = 69740134848.

The previous prime is 155873006371. The next prime is 155873006423. The reversal of 155873006415 is 514600378551.

155873006415 is a `hidden beast` number, since 1 + 5 + 587 + 3 + 0 + 0 + 64 + 1 + 5 = 666.

It is not a de Polignac number, because 155873006415 - 2¹² = 155873002319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 5249397 + ... + 5279006.

It is an arithmetic number, because the mean of its divisors is an integer number (6569724096).

Almost surely, 2^155873006415 is an apocalyptic number.

155873006415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155873006415 is an abundant number, since it is smaller than the sum of its proper divisors (159473750193).

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

155873006415 is a wasteful number, since it uses less digits than its factorization.

155873006415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528468 (or 10528465 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 155873006415 in words is "one hundred fifty-five billion, eight hundred seventy-three million, six thousand, four hundred fifteen".