155469443355 has 12 divisors (see below), whose sum is σ = 269480368560. Its totient is φ = 82917036432.

The previous prime is 155469443347. The next prime is 155469443383. The reversal of 155469443355 is 553344964551.

155469443355 is a `hidden beast` number, since 1 + 5 + 546 + 9 + 4 + 43 + 3 + 55 = 666.

It is not a de Polignac number, because 155469443355 - 2³ = 155469443347 is a prime.

It is a super-2 number, since 2×155469443355² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727438215 + ... + 1727438304.

It is an arithmetic number, because the mean of its divisors is an integer number (22456697380).

Almost surely, 2^155469443355 is an apocalyptic number.

155469443355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155469443355 is a deficient number, since it is larger than the sum of its proper divisors (114010925205).

155469443355 is a wasteful number, since it uses less digits than its factorization.

155469443355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454876530 (or 3454876527 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 155469443355 in words is "one hundred fifty-five billion, four hundred sixty-nine million, four hundred forty-three thousand, three hundred fifty-five".