1231453015110 has 128 divisors (see below), whose sum is σ = 3423370936320. Its totient is φ = 314647632000.

The previous prime is 1231453015087. The next prime is 1231453015181. The reversal of 1231453015110 is 115103541321.

1231453015110 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 4 + 530 + 15 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117019 + ... + 1573721.

It is an arithmetic number, because the mean of its divisors is an integer number (26745085440).

Almost surely, 2^{1231453015110} is an apocalyptic number.

1231453015110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231453015110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711685468160).

1231453015110 is an abundant number, since it is smaller than the sum of its proper divisors (2191917921210).

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

1231453015110 is a wasteful number, since it uses less digits than its factorization.

1231453015110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456851 (or 1456845 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 1231453015110 its reverse (115103541321), we get a palindrome (1346556556431).

The spelling of 1231453015110 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-three million, fifteen thousand, one hundred ten".