155014223120436 has 24 divisors (see below), whose sum is σ = 363107246382720. Its totient is φ = 51470351644672.

The previous prime is 155014223120417. The next prime is 155014223120437. The reversal of 155014223120436 is 634021322410551.

It is a junction number, because it is equal to n+sod(n) for n = 155014223120394 and 155014223120403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155014223120437) 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, 25132004556 + ... + 25132010723.

It is an arithmetic number, because the mean of its divisors is an integer number (15129468599280).

Almost surely, 2^{155014223120436} is an apocalyptic number.

It is an amenable number.

155014223120436 is an abundant number, since it is smaller than the sum of its proper divisors (208093023262284).

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

155014223120436 is a wasteful number, since it uses less digits than its factorization.

155014223120436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50264015543 (or 50264015541 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 155014223120436 its reverse (634021322410551), we get a palindrome (789035545530987).

The spelling of 155014223120436 in words is "one hundred fifty-five trillion, fourteen billion, two hundred twenty-three million, one hundred twenty thousand, four hundred thirty-six".