1121255204510 has 16 divisors (see below), whose sum is σ = 2306582135136. Its totient is φ = 384430355808.

The previous prime is 1121255204497. The next prime is 1121255204513. The reversal of 1121255204510 is 154025521211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121255204513) 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, 8008965677 + ... + 8008965816.

It is an arithmetic number, because the mean of its divisors is an integer number (144161383446).

Almost surely, 2^{1121255204510} is an apocalyptic number.

1121255204510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121255204510 is an abundant number, since it is smaller than the sum of its proper divisors (1185326930626).

1121255204510 is a wasteful number, since it uses less digits than its factorization.

1121255204510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16017931507.

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

The spelling of 1121255204510 in words is "one trillion, one hundred twenty-one billion, two hundred fifty-five million, two hundred four thousand, five hundred ten".