10520351551 has 8 divisors (see below), whose sum is σ = 10567654064. Its totient is φ = 10473079680.

The previous prime is 10520351507. The next prime is 10520351603. The reversal of 10520351551 is 15515302501.

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

It is a cyclic number.

It is not a de Polignac number, because 10520351551 - 2⁷ = 10520351423 is a prime.

It is a super-2 number, since 2×10520351551² (a number of 21 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 (10520351651) 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, 936001 + ... + 947173.

It is an arithmetic number, because the mean of its divisors is an integer number (1320956758).

Almost surely, 2^10520351551 is an apocalyptic number.

10520351551 is a deficient number, since it is larger than the sum of its proper divisors (47302513).

10520351551 is a wasteful number, since it uses less digits than its factorization.

10520351551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15321.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 10520351551 in words is "ten billion, five hundred twenty million, three hundred fifty-one thousand, five hundred fifty-one".