102511553102 has 16 divisors (see below), whose sum is σ = 175752067200. Its totient is φ = 43929028728.

The previous prime is 102511553071. The next prime is 102511553107. The reversal of 102511553102 is 201355115201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102511553107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230852 + ... + 508247.

It is an arithmetic number, because the mean of its divisors is an integer number (10984504200).

Almost surely, 2^102511553102 is an apocalyptic number.

102511553102 is a deficient number, since it is larger than the sum of its proper divisors (73240514098).

102511553102 is an equidigital number, since it uses as much as digits as its factorization.

102511553102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749015.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 102511553102 its reverse (201355115201), we get a palindrome (303866668303).

The spelling of 102511553102 in words is "one hundred two billion, five hundred eleven million, five hundred fifty-three thousand, one hundred two".