155153255543 has 16 divisors (see below), whose sum is σ = 182314541472. Its totient is φ = 130172400000.

The previous prime is 155153255531. The next prime is 155153255549. The reversal of 155153255543 is 345552351551.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 155153255543 - 2¹² = 155153251447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155153255494 and 155153255503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155153255549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623093 + ... + 835793.

It is an arithmetic number, because the mean of its divisors is an integer number (11394658842).

Almost surely, 2^155153255543 is an apocalyptic number.

155153255543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155153255543 is a deficient number, since it is larger than the sum of its proper divisors (27161285929).

155153255543 is a wasteful number, since it uses less digits than its factorization.

155153255543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217826.

The product of its digits is 1125000, while the sum is 44.

The spelling of 155153255543 in words is "one hundred fifty-five billion, one hundred fifty-three million, two hundred fifty-five thousand, five hundred forty-three".