10621052255553 has 8 divisors (see below), whose sum is σ = 14286725158368. Its totient is φ = 7018040428224.

The previous prime is 10621052255537. The next prime is 10621052255573. The reversal of 10621052255553 is 35555225012601.

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

It is not a de Polignac number, because 10621052255553 - 2⁴ = 10621052255537 is a prime.

It is a super-2 number, since 2×10621052255553² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621052255573) 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, 15665268475 + ... + 15665269152.

It is an arithmetic number, because the mean of its divisors is an integer number (1785840644796).

Almost surely, 2^{10621052255553} is an apocalyptic number.

It is an amenable number.

10621052255553 is a deficient number, since it is larger than the sum of its proper divisors (3665672902815).

10621052255553 is a wasteful number, since it uses less digits than its factorization.

10621052255553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330537743.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 10621052255553 in words is "ten trillion, six hundred twenty-one billion, fifty-two million, two hundred fifty-five thousand, five hundred fifty-three".