1040545102155 has 64 divisors (see below), whose sum is σ = 1798107827712. Its totient is φ = 510793620480.

The previous prime is 1040545102151. The next prime is 1040545102183. The reversal of 1040545102155 is 5512015450401.

It is a happy number.

It is not a de Polignac number, because 1040545102155 - 2² = 1040545102151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040545102151) 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 63 ways as a sum of consecutive naturals, for example, 119420079 + ... + 119428791.

It is an arithmetic number, because the mean of its divisors is an integer number (28095434808).

Almost surely, 2^{1040545102155} is an apocalyptic number.

1040545102155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040545102155 is a deficient number, since it is larger than the sum of its proper divisors (757562725557).

1040545102155 is a wasteful number, since it uses less digits than its factorization.

1040545102155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 1040545102155 in words is "one trillion, forty billion, five hundred forty-five million, one hundred two thousand, one hundred fifty-five".