1052145135451 has 4 divisors (see below), whose sum is σ = 1052192383600. Its totient is φ = 1052097887304.

The previous prime is 1052145135439. The next prime is 1052145135467. The reversal of 1052145135451 is 1545315412501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1052145135451 - 2⁹ = 1052145134939 is a prime.

It is a super-2 number, since 2×1052145135451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052145135451.

It is not an unprimeable number, because it can be changed into a prime (1052145130451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23590656 + ... + 23635213.

It is an arithmetic number, because the mean of its divisors is an integer number (263048095900).

Almost surely, 2^{1052145135451} is an apocalyptic number.

1052145135451 is a deficient number, since it is larger than the sum of its proper divisors (47248149).

1052145135451 is an equidigital number, since it uses as much as digits as its factorization.

1052145135451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47248148.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 1052145135451 in words is "one trillion, fifty-two billion, one hundred forty-five million, one hundred thirty-five thousand, four hundred fifty-one".