10405505049958 has 4 divisors (see below), whose sum is σ = 15608257574940. Its totient is φ = 5202752524978.

The previous prime is 10405505049931. The next prime is 10405505049959. The reversal of 10405505049958 is 85994050550401.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 10405505049899 and 10405505049908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10405505049959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601376262488 + ... + 2601376262491.

It is an arithmetic number, because the mean of its divisors is an integer number (3902064393735).

Almost surely, 2^{10405505049958} is an apocalyptic number.

10405505049958 is a deficient number, since it is larger than the sum of its proper divisors (5202752524982).

10405505049958 is an equidigital number, since it uses as much as digits as its factorization.

10405505049958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202752524981.

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 10405505049958 in words is "ten trillion, four hundred five billion, five hundred five million, forty-nine thousand, nine hundred fifty-eight".