1555101132230 has 64 divisors (see below), whose sum is σ = 3037722481728. Its totient is φ = 570900234240.

The previous prime is 1555101132227. The next prime is 1555101132259. The reversal of 1555101132230 is 322311015551.

It is a junction number, because it is equal to n+sod(n) for n = 1555101132193 and 1555101132202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4307510 + ... + 4654550.

It is an arithmetic number, because the mean of its divisors is an integer number (47464413777).

Almost surely, 2^{1555101132230} is an apocalyptic number.

1555101132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1555101132230 is a deficient number, since it is larger than the sum of its proper divisors (1482621349498).

1555101132230 is a wasteful number, since it uses less digits than its factorization.

1555101132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347721.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 1555101132230 its reverse (322311015551), we get a palindrome (1877412147781).

The spelling of 1555101132230 in words is "one trillion, five hundred fifty-five billion, one hundred one million, one hundred thirty-two thousand, two hundred thirty".