102663253155 has 16 divisors (see below), whose sum is σ = 164674970784. Its totient is φ = 54615813120.

The previous prime is 102663253151. The next prime is 102663253159. The reversal of 102663253155 is 551352366201.

It is an interprime number because it is at equal distance from previous prime (102663253151) and next prime (102663253159).

It is not a de Polignac number, because 102663253155 - 2² = 102663253151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102663253151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8613966 + ... + 8625875.

It is an arithmetic number, because the mean of its divisors is an integer number (10292185674).

Almost surely, 2^102663253155 is an apocalyptic number.

102663253155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102663253155 is a deficient number, since it is larger than the sum of its proper divisors (62011717629).

102663253155 is a wasteful number, since it uses less digits than its factorization.

102663253155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17240246.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 102663253155 in words is "one hundred two billion, six hundred sixty-three million, two hundred fifty-three thousand, one hundred fifty-five".