155315112213 has 16 divisors (see below), whose sum is σ = 207461721600. Its totient is φ = 103356126720.

The previous prime is 155315112143. The next prime is 155315112217. The reversal of 155315112213 is 312211513551.

It is not a de Polignac number, because 155315112213 - 2⁹ = 155315111701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155315112217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3811933 + ... + 3852461.

It is an arithmetic number, because the mean of its divisors is an integer number (12966357600).

Almost surely, 2^155315112213 is an apocalyptic number.

It is an amenable number.

155315112213 is a deficient number, since it is larger than the sum of its proper divisors (52146609387).

155315112213 is a wasteful number, since it uses less digits than its factorization.

155315112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42812.

The product of its digits is 4500, while the sum is 30.

Adding to 155315112213 its reverse (312211513551), we get a palindrome (467526625764).

The spelling of 155315112213 in words is "one hundred fifty-five billion, three hundred fifteen million, one hundred twelve thousand, two hundred thirteen".