1545253521141 has 16 divisors (see below), whose sum is σ = 2247664956480. Its totient is φ = 936507505920.

The previous prime is 1545253521139. The next prime is 1545253521221. The reversal of 1545253521141 is 1411253525451.

It is not a de Polignac number, because 1545253521141 - 2¹ = 1545253521139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1545253521141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545253528141) 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, 4133725 + ... + 4492013.

It is an arithmetic number, because the mean of its divisors is an integer number (140479059780).

Almost surely, 2^{1545253521141} is an apocalyptic number.

1545253521141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1545253521141 is a deficient number, since it is larger than the sum of its proper divisors (702411435339).

1545253521141 is a wasteful number, since it uses less digits than its factorization.

1545253521141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488996.

The product of its digits is 120000, while the sum is 39.

The spelling of 1545253521141 in words is "one trillion, five hundred forty-five billion, two hundred fifty-three million, five hundred twenty-one thousand, one hundred forty-one".