155020200012455 has 16 divisors (see below), whose sum is σ = 192044924832000. Its totient is φ = 120003199418880.

The previous prime is 155020200012443. The next prime is 155020200012479. The reversal of 155020200012455 is 554210002020551.

It is a happy number.

It is not a de Polignac number, because 155020200012455 - 2¹⁴ = 155020199996071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50330000 + ... + 53321189.

It is an arithmetic number, because the mean of its divisors is an integer number (12002807802000).

Almost surely, 2^{155020200012455} is an apocalyptic number.

155020200012455 is a deficient number, since it is larger than the sum of its proper divisors (37024724819545).

155020200012455 is a wasteful number, since it uses less digits than its factorization.

155020200012455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103660874.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 155020200012455 in words is "one hundred fifty-five trillion, twenty billion, two hundred million, twelve thousand, four hundred fifty-five".