1503123413155 has 32 divisors (see below), whose sum is σ = 2220145200000. Its totient is φ = 951364334592.

The previous prime is 1503123413123. The next prime is 1503123413173. The reversal of 1503123413155 is 5513143213051.

It is not a de Polignac number, because 1503123413155 - 2⁵ = 1503123413123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1503123413155.

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, 7291641 + ... + 7494949.

It is an arithmetic number, because the mean of its divisors is an integer number (69379537500).

Almost surely, 2^{1503123413155} is an apocalyptic number.

1503123413155 is a deficient number, since it is larger than the sum of its proper divisors (717021786845).

1503123413155 is a wasteful number, since it uses less digits than its factorization.

1503123413155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219583.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 1503123413155 in words is "one trillion, five hundred three billion, one hundred twenty-three million, four hundred thirteen thousand, one hundred fifty-five".