1105215321400 has 48 divisors (see below), whose sum is σ = 2569707503640. Its totient is φ = 442072041600.

The previous prime is 1105215321359. The next prime is 1105215321407. The reversal of 1105215321400 is 41235125011.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105215321407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8105790 + ... + 8241010.

Almost surely, 2^{1105215321400} is an apocalyptic number.

1105215321400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105215321400 is an abundant number, since it is smaller than the sum of its proper divisors (1464492182240).

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

1105215321400 is a wasteful number, since it uses less digits than its factorization.

1105215321400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176104 (or 176095 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 1105215321400 in words is "one trillion, one hundred five billion, two hundred fifteen million, three hundred twenty-one thousand, four hundred".