10520542405451 has 8 divisors (see below), whose sum is σ = 11329849532400. Its totient is φ = 9711240226272.

The previous prime is 10520542405391. The next prime is 10520542405463. The reversal of 10520542405451 is 15450424502501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10520542405451 is a prime.

It is a super-2 number, since 2×10520542405451² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10520542465451) 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, 4000700 + ... + 6086598.

It is an arithmetic number, because the mean of its divisors is an integer number (1416231191550).

Almost surely, 2^{10520542405451} is an apocalyptic number.

10520542405451 is a deficient number, since it is larger than the sum of its proper divisors (809307126949).

10520542405451 is a wasteful number, since it uses less digits than its factorization.

10520542405451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473885.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 10520542405451 its reverse (15450424502501), we get a palindrome (25970966907952).

The spelling of 10520542405451 in words is "ten trillion, five hundred twenty billion, five hundred forty-two million, four hundred five thousand, four hundred fifty-one".