155014521104 has 20 divisors (see below), whose sum is σ = 300348722880. Its totient is φ = 77505173280.

The previous prime is 155014521091. The next prime is 155014521149. The reversal of 155014521104 is 401125410551.

It is a super-2 number, since 2×155014521104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609389 + ... + 825459.

It is an arithmetic number, because the mean of its divisors is an integer number (15017436144).

Almost surely, 2^155014521104 is an apocalyptic number.

It is an amenable number.

155014521104 is a deficient number, since it is larger than the sum of its proper divisors (145334201776).

155014521104 is a wasteful number, since it uses less digits than its factorization.

155014521104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260918 (or 260912 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 155014521104 its reverse (401125410551), we get a palindrome (556139931655).

The spelling of 155014521104 in words is "one hundred fifty-five billion, fourteen million, five hundred twenty-one thousand, one hundred four".