1051405052413 has 4 divisors (see below), whose sum is σ = 1056036792960. Its totient is φ = 1046773311868.

The previous prime is 1051405052407. The next prime is 1051405052443. The reversal of 1051405052413 is 3142505041501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1051405052413 - 2²¹ = 1051402955261 is a prime.

It is a super-2 number, since 2×1051405052413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051405052443) 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, 2315869933 + ... + 2315870386.

It is an arithmetic number, because the mean of its divisors is an integer number (264009198240).

Almost surely, 2^{1051405052413} is an apocalyptic number.

It is an amenable number.

1051405052413 is a deficient number, since it is larger than the sum of its proper divisors (4631740547).

1051405052413 is an equidigital number, since it uses as much as digits as its factorization.

1051405052413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631740546.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1051405052413 in words is "one trillion, fifty-one billion, four hundred five million, fifty-two thousand, four hundred thirteen".