12155352413555 has 8 divisors (see below), whose sum is σ = 15708455426832. Its totient is φ = 8976260243808.

The previous prime is 12155352413483. The next prime is 12155352413569. The reversal of 12155352413555 is 55531425355121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12155352413555 - 2¹⁰ = 12155352412531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93502710809 + ... + 93502710938.

It is an arithmetic number, because the mean of its divisors is an integer number (1963556928354).

Almost surely, 2^{12155352413555} is an apocalyptic number.

12155352413555 is a deficient number, since it is larger than the sum of its proper divisors (3553103013277).

12155352413555 is a wasteful number, since it uses less digits than its factorization.

12155352413555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187005421765.

The product of its digits is 2250000, while the sum is 47.

Adding to 12155352413555 its reverse (55531425355121), we get a palindrome (67686777768676).

The spelling of 12155352413555 in words is "twelve trillion, one hundred fifty-five billion, three hundred fifty-two million, four hundred thirteen thousand, five hundred fifty-five".