10355921311778 has 8 divisors (see below), whose sum is σ = 17753007963072. Its totient is φ = 4438251990756.

The previous prime is 10355921311693. The next prime is 10355921311823. The reversal of 10355921311778 is 87711312955301.

It is a happy number.

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

It is a super-3 number, since 3×10355921311778³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369854332550 + ... + 369854332577.

It is an arithmetic number, because the mean of its divisors is an integer number (2219125995384).

Almost surely, 2^{10355921311778} is an apocalyptic number.

10355921311778 is a deficient number, since it is larger than the sum of its proper divisors (7397086651294).

10355921311778 is an equidigital number, since it uses as much as digits as its factorization.

10355921311778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739708665136.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The spelling of 10355921311778 in words is "ten trillion, three hundred fifty-five billion, nine hundred twenty-one million, three hundred eleven thousand, seven hundred seventy-eight".