10402055442551 has 4 divisors (see below), whose sum is σ = 10402061928552. Its totient is φ = 10402048956552.

The previous prime is 10402055442479. The next prime is 10402055442563. The reversal of 10402055442551 is 15524455020401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10402055442551 - 2²² = 10402051248247 is a prime.

It is a super-2 number, since 2×10402055442551² (a number of 27 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 (10401055442551) 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, 1112840 + ... + 4694946.

It is an arithmetic number, because the mean of its divisors is an integer number (2600515482138).

Almost surely, 2^{10402055442551} is an apocalyptic number.

10402055442551 is a deficient number, since it is larger than the sum of its proper divisors (6486001).

10402055442551 is an equidigital number, since it uses as much as digits as its factorization.

10402055442551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486000.

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

The spelling of 10402055442551 in words is "ten trillion, four hundred two billion, fifty-five million, four hundred forty-two thousand, five hundred fifty-one".