1155154123102 has 16 divisors (see below), whose sum is σ = 1982395841760. Its totient is φ = 494533145088.

The previous prime is 1155154123069. The next prime is 1155154123157. The reversal of 1155154123102 is 2013214515511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44395503 + ... + 44421514.

It is an arithmetic number, because the mean of its divisors is an integer number (123899740110).

Almost surely, 2^{1155154123102} is an apocalyptic number.

1155154123102 is a deficient number, since it is larger than the sum of its proper divisors (827241718658).

1155154123102 is an equidigital number, since it uses as much as digits as its factorization.

1155154123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88817955.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 1155154123102 its reverse (2013214515511), we get a palindrome (3168368638613).

The spelling of 1155154123102 in words is "one trillion, one hundred fifty-five billion, one hundred fifty-four million, one hundred twenty-three thousand, one hundred two".