155041407104 has 64 divisors (see below), whose sum is σ = 315194639040. Its totient is φ = 75938343936.

The previous prime is 155041407077. The next prime is 155041407109. The reversal of 155041407104 is 401704140551.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (155041407109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371587 + ... + 4406909.

It is an arithmetic number, because the mean of its divisors is an integer number (4924916235).

Almost surely, 2^155041407104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155041407104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157597319520).

155041407104 is an abundant number, since it is smaller than the sum of its proper divisors (160153231936).

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

155041407104 is an equidigital number, since it uses as much as digits as its factorization.

155041407104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36037 (or 36025 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 155041407104 its reverse (401704140551), we get a palindrome (556745547655).

The spelling of 155041407104 in words is "one hundred fifty-five billion, forty-one million, four hundred seven thousand, one hundred four".