1101254331504 has 160 divisors (see below), whose sum is σ = 2925516254976. Its totient is φ = 356755875840.

The previous prime is 1101254331391. The next prime is 1101254331547. The reversal of 1101254331504 is 4051334521011.

It is a super-2 number, since 2×1101254331504² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 890261574 + ... + 890262810.

Almost surely, 2^{1101254331504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101254331504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462758127488).

1101254331504 is an abundant number, since it is smaller than the sum of its proper divisors (1824261923472).

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

1101254331504 is a wasteful number, since it uses less digits than its factorization.

1101254331504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1101254331504 its reverse (4051334521011), we get a palindrome (5152588852515).

The spelling of 1101254331504 in words is "one trillion, one hundred one billion, two hundred fifty-four million, three hundred thirty-one thousand, five hundred four".