1540500112545 has 32 divisors (see below), whose sum is σ = 2473499089152. Its totient is φ = 818701078272.

The previous prime is 1540500112519. The next prime is 1540500112609. The reversal of 1540500112545 is 5452110050451.

It is a happy number.

It is not a de Polignac number, because 1540500112545 - 2¹¹ = 1540500110497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54646524 + ... + 54674706.

It is an arithmetic number, because the mean of its divisors is an integer number (77296846536).

Almost surely, 2^{1540500112545} is an apocalyptic number.

1540500112545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1540500112545 is a deficient number, since it is larger than the sum of its proper divisors (932998976607).

1540500112545 is a wasteful number, since it uses less digits than its factorization.

1540500112545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40921.

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

Adding to 1540500112545 its reverse (5452110050451), we get a palindrome (6992610162996).

The spelling of 1540500112545 in words is "one trillion, five hundred forty billion, five hundred million, one hundred twelve thousand, five hundred forty-five".