155013453063 has 24 divisors (see below), whose sum is σ = 256443228288. Its totient is φ = 88389422352.

The previous prime is 155013453031. The next prime is 155013453079. The reversal of 155013453063 is 360354310551.

155013453063 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 1 + 345 + 306 + 3 = 666.

It is not a de Polignac number, because 155013453063 - 2⁵ = 155013453031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155013453263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2604981 + ... + 2663822.

It is an arithmetic number, because the mean of its divisors is an integer number (10685134512).

Almost surely, 2^155013453063 is an apocalyptic number.

155013453063 is a deficient number, since it is larger than the sum of its proper divisors (101429775225).

155013453063 is a wasteful number, since it uses less digits than its factorization.

155013453063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269283 (or 5269280 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 155013453063 in words is "one hundred fifty-five billion, thirteen million, four hundred fifty-three thousand, sixty-three".