155067488421 has 16 divisors (see below), whose sum is σ = 217647119040. Its totient is φ = 97933518720.

The previous prime is 155067488357. The next prime is 155067488441. The reversal of 155067488421 is 124884760551.

It is a happy number.

It is not a de Polignac number, because 155067488421 - 2⁶ = 155067488357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155067488441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2365831 + ... + 2430491.

It is an arithmetic number, because the mean of its divisors is an integer number (13602944940).

Almost surely, 2^155067488421 is an apocalyptic number.

It is an amenable number.

155067488421 is a deficient number, since it is larger than the sum of its proper divisors (62579630619).

155067488421 is a wasteful number, since it uses less digits than its factorization.

155067488421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106756.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 155067488421 in words is "one hundred fifty-five billion, sixty-seven million, four hundred eighty-eight thousand, four hundred twenty-one".