10203645104355 has 32 divisors (see below), whose sum is σ = 16524041554944. Its totient is φ = 5375886265856.

The previous prime is 10203645104339. The next prime is 10203645104369. The reversal of 10203645104355 is 55340154630201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10203645104355 - 2⁴ = 10203645104339 is a prime.

It is a super-2 number, since 2×10203645104355² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13433707 + ... + 14172923.

It is an arithmetic number, because the mean of its divisors is an integer number (516376298592).

Almost surely, 2^{10203645104355} is an apocalyptic number.

10203645104355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10203645104355 is a deficient number, since it is larger than the sum of its proper divisors (6320396450589).

10203645104355 is a wasteful number, since it uses less digits than its factorization.

10203645104355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750395.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 10203645104355 its reverse (55340154630201), we get a palindrome (65543799734556).

The spelling of 10203645104355 in words is "ten trillion, two hundred three billion, six hundred forty-five million, one hundred four thousand, three hundred fifty-five".