1545005052553 has 16 divisors (see below), whose sum is σ = 1617482760192. Its totient is φ = 1473946866000.

The previous prime is 1545005052551. The next prime is 1545005052559. The reversal of 1545005052553 is 3552505005451.

It is a cyclic number.

It is not a de Polignac number, because 1545005052553 - 2¹ = 1545005052551 is a prime.

It is a super-2 number, since 2×1545005052553² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1545005052551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23436348 + ... + 23502178.

It is an arithmetic number, because the mean of its divisors is an integer number (101092672512).

Almost surely, 2^{1545005052553} is an apocalyptic number.

It is an amenable number.

1545005052553 is a deficient number, since it is larger than the sum of its proper divisors (72477707639).

1545005052553 is a wasteful number, since it uses less digits than its factorization.

1545005052553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76596.

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 1545005052553 in words is "one trillion, five hundred forty-five billion, five million, fifty-two thousand, five hundred fifty-three".