1540242051101 has 8 divisors (see below), whose sum is σ = 1660437550464. Its totient is φ = 1420291600560.

The previous prime is 1540242051097. The next prime is 1540242051119. The reversal of 1540242051101 is 1011502420451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540242051101 - 2² = 1540242051097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540242051121) 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 7 ways as a sum of consecutive naturals, for example, 61249145 + ... + 61274286.

It is an arithmetic number, because the mean of its divisors is an integer number (207554693808).

Almost surely, 2^{1540242051101} is an apocalyptic number.

It is an amenable number.

1540242051101 is a deficient number, since it is larger than the sum of its proper divisors (120195499363).

1540242051101 is a wasteful number, since it uses less digits than its factorization.

1540242051101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122524411.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 1540242051101 its reverse (1011502420451), we get a palindrome (2551744471552).

The spelling of 1540242051101 in words is "one trillion, five hundred forty billion, two hundred forty-two million, fifty-one thousand, one hundred one".