155013546520453 has 4 divisors (see below), whose sum is σ = 155481865392448. Its totient is φ = 154545227648460.

The previous prime is 155013546520403. The next prime is 155013546520463. The reversal of 155013546520453 is 354025645310551.

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 155013546520453 - 2¹³ = 155013546512261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155013546520397 and 155013546520406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155013546520403) 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, 234159435501 + ... + 234159436162.

It is an arithmetic number, because the mean of its divisors is an integer number (38870466348112).

Almost surely, 2^{155013546520453} is an apocalyptic number.

It is an amenable number.

155013546520453 is a deficient number, since it is larger than the sum of its proper divisors (468318871995).

155013546520453 is an equidigital number, since it uses as much as digits as its factorization.

155013546520453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468318871994.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 155013546520453 in words is "one hundred fifty-five trillion, thirteen billion, five hundred forty-six million, five hundred twenty thousand, four hundred fifty-three".