1515103141040 has 20 divisors (see below), whose sum is σ = 3522614803104. Its totient is φ = 606041256384.

The previous prime is 1515103141037. The next prime is 1515103141049. The reversal of 1515103141040 is 401413015151.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1515103141049) 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 3 ways as a sum of consecutive naturals, for example, 9469394552 + ... + 9469394711.

Almost surely, 2^{1515103141040} is an apocalyptic number.

1515103141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1515103141040 is an abundant number, since it is smaller than the sum of its proper divisors (2007511662064).

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

1515103141040 is a wasteful number, since it uses less digits than its factorization.

1515103141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18938789276 (or 18938789270 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 1515103141040 its reverse (401413015151), we get a palindrome (1916516156191).

The spelling of 1515103141040 in words is "one trillion, five hundred fifteen billion, one hundred three million, one hundred forty-one thousand, forty".