1015123245055 has 8 divisors (see below), whose sum is σ = 1227446733744. Its totient is φ = 805899369600.

The previous prime is 1015123245043. The next prime is 1015123245077. The reversal of 1015123245055 is 5505423215101.

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

It is not a de Polignac number, because 1015123245055 - 2¹⁵ = 1015123212287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015123245055.

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, 774902586 + ... + 774903895.

It is an arithmetic number, because the mean of its divisors is an integer number (153430841718).

Almost surely, 2^{1015123245055} is an apocalyptic number.

1015123245055 is a deficient number, since it is larger than the sum of its proper divisors (212323488689).

1015123245055 is a wasteful number, since it uses less digits than its factorization.

1015123245055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549806617.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 1015123245055 in words is "one trillion, fifteen billion, one hundred twenty-three million, two hundred forty-five thousand, fifty-five".