102551411450 has 24 divisors (see below), whose sum is σ = 192888842940. Its totient is φ = 40559657600.

The previous prime is 102551411449. The next prime is 102551411461. The reversal of 102551411450 is 54114155201.

It can be written as a sum of positive squares in 6 ways, for example, as 740003209 + 101811408241 = 27203^2 + 319079^2 .

It is a super-2 number, since 2×102551411450² (a number of 23 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, 11518181 + ... + 11527080.

Almost surely, 2^102551411450 is an apocalyptic number.

102551411450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102551411450 is a deficient number, since it is larger than the sum of its proper divisors (90337431490).

102551411450 is a wasteful number, since it uses less digits than its factorization.

102551411450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23045362 (or 23045357 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 102551411450 its reverse (54114155201), we get a palindrome (156665566651).

The spelling of 102551411450 in words is "one hundred two billion, five hundred fifty-one million, four hundred eleven thousand, four hundred fifty".