1540550145055 has 8 divisors (see below), whose sum is σ = 1912407076800. Its totient is φ = 1189942180896.

The previous prime is 1540550145053. The next prime is 1540550145097. The reversal of 1540550145055 is 5505410550451.

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 1540550145055 - 2¹ = 1540550145053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1540550144999 and 1540550145017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540550145053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312241735 + ... + 5312242024.

It is an arithmetic number, because the mean of its divisors is an integer number (239050884600).

Almost surely, 2^{1540550145055} is an apocalyptic number.

1540550145055 is a deficient number, since it is larger than the sum of its proper divisors (371856931745).

1540550145055 is a wasteful number, since it uses less digits than its factorization.

1540550145055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624483793.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 1540550145055 in words is "one trillion, five hundred forty billion, five hundred fifty million, one hundred forty-five thousand, fifty-five".