1155273990010 has 64 divisors (see below), whose sum is σ = 2523829321728. Its totient is φ = 371687952384.

The previous prime is 1155273990007. The next prime is 1155273990029. The reversal of 1155273990010 is 100993725511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1039354 + ... + 1841413.

It is an arithmetic number, because the mean of its divisors is an integer number (39434833152).

Almost surely, 2^{1155273990010} is an apocalyptic number.

1155273990010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155273990010 is an abundant number, since it is smaller than the sum of its proper divisors (1368555331718).

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

1155273990010 is a wasteful number, since it uses less digits than its factorization.

1155273990010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881135.

The product of its (nonzero) digits is 85050, while the sum is 43.

The spelling of 1155273990010 in words is "one trillion, one hundred fifty-five billion, two hundred seventy-three million, nine hundred ninety thousand, ten".