10858221117554 has 16 divisors (see below), whose sum is σ = 16363172928600. Its totient is φ = 5403867903744.

The previous prime is 10858221117551. The next prime is 10858221117581. The reversal of 10858221117554 is 45571112285801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9623737906225 + 1234483211329 = 3102215^2 + 1111073^2 .

It is not an unprimeable number, because it can be changed into a prime (10858221117551) 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, 8864807 + ... + 10015050.

Almost surely, 2^{10858221117554} is an apocalyptic number.

10858221117554 is a deficient number, since it is larger than the sum of its proper divisors (5504951811046).

10858221117554 is a wasteful number, since it uses less digits than its factorization.

10858221117554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18881197.

The product of its (nonzero) digits is 896000, while the sum is 50.

The spelling of 10858221117554 in words is "ten trillion, eight hundred fifty-eight billion, two hundred twenty-one million, one hundred seventeen thousand, five hundred fifty-four".