11151280014550 has 192 divisors, whose sum is σ = 23609613888000. Its totient is φ = 3884615884800.

The previous prime is 11151280014547. The next prime is 11151280014613. The reversal of 11151280014550 is 5541008215111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3498988057 + ... + 3498991243.

It is an arithmetic number, because the mean of its divisors is an integer number (122966739000).

Almost surely, 2^{11151280014550} is an apocalyptic number.

11151280014550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11151280014550 is an abundant number, since it is smaller than the sum of its proper divisors (12458333873450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11151280014550 is a wasteful number, since it uses less digits than its factorization.

11151280014550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 34.

Adding to 11151280014550 its reverse (5541008215111), we get a palindrome (16692288229661).

The spelling of 11151280014550 in words is "eleven trillion, one hundred fifty-one billion, two hundred eighty million, fourteen thousand, five hundred fifty".