155386155554 has 8 divisors (see below), whose sum is σ = 266376266688. Its totient is φ = 66594066660.

The previous prime is 155386155521. The next prime is 155386155557. The reversal of 155386155554 is 455551683551.

155386155554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×155386155554⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155386155496 and 155386155505.

It is not an unprimeable number, because it can be changed into a prime (155386155557) 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, 5549505542 + ... + 5549505569.

It is an arithmetic number, because the mean of its divisors is an integer number (33297033336).

Almost surely, 2^155386155554 is an apocalyptic number.

155386155554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155386155554 is a deficient number, since it is larger than the sum of its proper divisors (110990111134).

155386155554 is a wasteful number, since it uses less digits than its factorization.

155386155554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099011120.

The product of its digits is 9000000, while the sum is 53.

The spelling of 155386155554 in words is "one hundred fifty-five billion, three hundred eighty-six million, one hundred fifty-five thousand, five hundred fifty-four".