1501042045540 has 48 divisors (see below), whose sum is σ = 3199427808192. Its totient is φ = 591419892096.

The previous prime is 1501042045523. The next prime is 1501042045561. The reversal of 1501042045540 is 455402401051.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41035299 + ... + 41071861.

It is an arithmetic number, because the mean of its divisors is an integer number (66654746004).

Almost surely, 2^{1501042045540} is an apocalyptic number.

1501042045540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501042045540 is an abundant number, since it is smaller than the sum of its proper divisors (1698385762652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1501042045540 is a wasteful number, since it uses less digits than its factorization.

1501042045540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67276 (or 67274 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 1501042045540 its reverse (455402401051), we get a palindrome (1956444446591).

The spelling of 1501042045540 in words is "one trillion, five hundred one billion, forty-two million, forty-five thousand, five hundred forty".