10155505555 has 8 divisors (see below), whose sum is σ = 13124038032. Its totient is φ = 7499450208.

The previous prime is 10155505553. The next prime is 10155505571. The reversal of 10155505555 is 55550555101.

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 10155505555 - 2¹ = 10155505553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10155505553) 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, 78119209 + ... + 78119338.

It is an arithmetic number, because the mean of its divisors is an integer number (1640504754).

Almost surely, 2^10155505555 is an apocalyptic number.

10155505555 is a deficient number, since it is larger than the sum of its proper divisors (2968532477).

10155505555 is a wasteful number, since it uses less digits than its factorization.

10155505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156238565.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 10155505555 in words is "ten billion, one hundred fifty-five million, five hundred five thousand, five hundred fifty-five".