155531414513453 has 4 divisors (see below), whose sum is σ = 169670634014688. Its totient is φ = 141392195012220.

The previous prime is 155531414513443. The next prime is 155531414513521. The reversal of 155531414513453 is 354315414135551.

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 155531414513453 - 2¹⁰ = 155531414512429 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 (155531414513443) 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, 7069609750601 + ... + 7069609750622.

It is an arithmetic number, because the mean of its divisors is an integer number (42417658503672).

Almost surely, 2^{155531414513453} is an apocalyptic number.

It is an amenable number.

155531414513453 is a deficient number, since it is larger than the sum of its proper divisors (14139219501235).

155531414513453 is a wasteful number, since it uses less digits than its factorization.

155531414513453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139219501234.

The product of its digits is 5400000, while the sum is 50.

The spelling of 155531414513453 in words is "one hundred fifty-five trillion, five hundred thirty-one billion, four hundred fourteen million, five hundred thirteen thousand, four hundred fifty-three".