1101215421453 has 16 divisors (see below), whose sum is σ = 1688337291776. Its totient is φ = 625405425840.

The previous prime is 1101215421431. The next prime is 1101215421457. The reversal of 1101215421453 is 3541245121011.

It is not a de Polignac number, because 1101215421453 - 2²⁴ = 1101198644237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101215421453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101215421457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160851883 + ... + 160858728.

It is an arithmetic number, because the mean of its divisors is an integer number (105521080736).

Almost surely, 2^{1101215421453} is an apocalyptic number.

It is an amenable number.

1101215421453 is a deficient number, since it is larger than the sum of its proper divisors (587121870323).

1101215421453 is a wasteful number, since it uses less digits than its factorization.

1101215421453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321710784.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1101215421453 in words is "one trillion, one hundred one billion, two hundred fifteen million, four hundred twenty-one thousand, four hundred fifty-three".