1153155105123 has 32 divisors (see below), whose sum is σ = 1760031436800. Its totient is φ = 657880603776.

The previous prime is 1153155105121. The next prime is 1153155105139. The reversal of 1153155105123 is 3215015513511.

It is not a de Polignac number, because 1153155105123 - 2¹ = 1153155105121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153155105121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35488398 + ... + 35520876.

It is an arithmetic number, because the mean of its divisors is an integer number (55000982400).

Almost surely, 2^{1153155105123} is an apocalyptic number.

1153155105123 is a deficient number, since it is larger than the sum of its proper divisors (606876331677).

1153155105123 is a wasteful number, since it uses less digits than its factorization.

1153155105123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35171.

The product of its (nonzero) digits is 11250, while the sum is 33.

The spelling of 1153155105123 in words is "one trillion, one hundred fifty-three billion, one hundred fifty-five million, one hundred five thousand, one hundred twenty-three".