10602321155 has 12 divisors (see below), whose sum is σ = 13300003920. Its totient is φ = 8113078512.

The previous prime is 10602321071. The next prime is 10602321199. The reversal of 10602321155 is 55112320601.

It is not a de Polignac number, because 10602321155 - 2¹⁴ = 10602304771 is a prime.

It is a super-2 number, since 2×10602321155² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2001575 + ... + 2006864.

It is an arithmetic number, because the mean of its divisors is an integer number (1108333660).

Almost surely, 2^10602321155 is an apocalyptic number.

10602321155 is a deficient number, since it is larger than the sum of its proper divisors (2697682765).

10602321155 is an equidigital number, since it uses as much as digits as its factorization.

10602321155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008490 (or 4008467 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 10602321155 its reverse (55112320601), we get a palindrome (65714641756).

The spelling of 10602321155 in words is "ten billion, six hundred two million, three hundred twenty-one thousand, one hundred fifty-five".