1100131232025 has 48 divisors (see below), whose sum is σ = 2150404329600. Its totient is φ = 485575157760.

The previous prime is 1100131232009. The next prime is 1100131232027. The reversal of 1100131232025 is 5202321310011.

It is not a de Polignac number, because 1100131232025 - 2⁴ = 1100131232009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100131231992 and 1100131232010.

It is not an unprimeable number, because it can be changed into a prime (1100131232027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36113880 + ... + 36144329.

It is an arithmetic number, because the mean of its divisors is an integer number (44800090200).

Almost surely, 2^{1100131232025} is an apocalyptic number.

1100131232025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1100131232025 is a deficient number, since it is larger than the sum of its proper divisors (1050273097575).

1100131232025 is a wasteful number, since it uses less digits than its factorization.

1100131232025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72258258 (or 72258253 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1100131232025 its reverse (5202321310011), we get a palindrome (6302452542036).

The spelling of 1100131232025 in words is "one trillion, one hundred billion, one hundred thirty-one million, two hundred thirty-two thousand, twenty-five".