1082503155645 has 48 divisors (see below), whose sum is σ = 1937792263680. Its totient is φ = 558702304512.

The previous prime is 1082503155611. The next prime is 1082503155647. The reversal of 1082503155645 is 5465513052801.

1082503155645 is a `hidden beast` number, since 1 + 0 + 8 + 2 + 50 + 3 + 1 + 556 + 45 = 666.

It is not a de Polignac number, because 1082503155645 - 2⁸ = 1082503155389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1082503155645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082503155647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2687169 + ... + 3063638.

It is an arithmetic number, because the mean of its divisors is an integer number (40370672160).

Almost surely, 2^{1082503155645} is an apocalyptic number.

1082503155645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1082503155645 is a deficient number, since it is larger than the sum of its proper divisors (855289108035).

1082503155645 is a wasteful number, since it uses less digits than its factorization.

1082503155645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750954 (or 5750951 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 1082503155645 in words is "one trillion, eighty-two billion, five hundred three million, one hundred fifty-five thousand, six hundred forty-five".