155130442654557 has 8 divisors (see below), whose sum is σ = 208036200554784. Its totient is φ = 102822489928688.

The previous prime is 155130442654549. The next prime is 155130442654573. The reversal of 155130442654557 is 755456244031551.

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

It is a cyclic number.

It is not a de Polignac number, because 155130442654557 - 2³ = 155130442654549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155130442654497 and 155130442654506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155130442654457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149451292983 + ... + 149451294020.

It is an arithmetic number, because the mean of its divisors is an integer number (26004525069348).

Almost surely, 2^{155130442654557} is an apocalyptic number.

It is an amenable number.

155130442654557 is a deficient number, since it is larger than the sum of its proper divisors (52905757900227).

155130442654557 is a wasteful number, since it uses less digits than its factorization.

155130442654557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298902587179.

The product of its (nonzero) digits is 50400000, while the sum is 57.

The spelling of 155130442654557 in words is "one hundred fifty-five trillion, one hundred thirty billion, four hundred forty-two million, six hundred fifty-four thousand, five hundred fifty-seven".