1125511612770 has 16 divisors (see below), whose sum is σ = 2701227870720. Its totient is φ = 300136430064.

The previous prime is 1125511612751. The next prime is 1125511612781. The reversal of 1125511612770 is 772161155211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18758526850 + ... + 18758526909.

It is an arithmetic number, because the mean of its divisors is an integer number (168826741920).

Almost surely, 2^{1125511612770} is an apocalyptic number.

1125511612770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125511612770 is an abundant number, since it is smaller than the sum of its proper divisors (1575716257950).

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

1125511612770 is a wasteful number, since it uses less digits than its factorization.

1125511612770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37517053769.

The product of its (nonzero) digits is 29400, while the sum is 39.

Adding to 1125511612770 its reverse (772161155211), we get a palindrome (1897672767981).

The spelling of 1125511612770 in words is "one trillion, one hundred twenty-five billion, five hundred eleven million, six hundred twelve thousand, seven hundred seventy".