155000412132215 has 16 divisors (see below), whose sum is σ = 212091061670208. Its totient is φ = 107728793227776.

The previous prime is 155000412132193. The next prime is 155000412132217. The reversal of 155000412132215 is 512231214000551.

155000412132215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155000412132215 - 2²⁶ = 155000345023351 is a prime.

It is a super-2 number, since 2×155000412132215² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155000412132217) 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, 70135931987 + ... + 70135934196.

It is an arithmetic number, because the mean of its divisors is an integer number (13255691354388).

Almost surely, 2^{155000412132215} is an apocalyptic number.

155000412132215 is a deficient number, since it is larger than the sum of its proper divisors (57090649537993).

155000412132215 is a wasteful number, since it uses less digits than its factorization.

155000412132215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140271866218.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 155000412132215 its reverse (512231214000551), we get a palindrome (667231626132766).

The spelling of 155000412132215 in words is "one hundred fifty-five trillion, four hundred twelve million, one hundred thirty-two thousand, two hundred fifteen".