155453141501213 has 4 divisors (see below), whose sum is σ = 155495813242848. Its totient is φ = 155410469759580.

The previous prime is 155453141501201. The next prime is 155453141501221. The reversal of 155453141501213 is 312105141354551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155453141501213 - 2²⁰ = 155453140452637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155453141501243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21335865353 + ... + 21335872638.

It is an arithmetic number, because the mean of its divisors is an integer number (38873953310712).

Almost surely, 2^{155453141501213} is an apocalyptic number.

It is an amenable number.

155453141501213 is a deficient number, since it is larger than the sum of its proper divisors (42671741635).

155453141501213 is an equidigital number, since it uses as much as digits as its factorization.

155453141501213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42671741634.

The product of its (nonzero) digits is 180000, while the sum is 41.

Adding to 155453141501213 its reverse (312105141354551), we get a palindrome (467558282855764).

The spelling of 155453141501213 in words is "one hundred fifty-five trillion, four hundred fifty-three billion, one hundred forty-one million, five hundred one thousand, two hundred thirteen".