1101025451420 has 24 divisors (see below), whose sum is σ = 2313646188000. Its totient is φ = 440125849152.

The previous prime is 1101025451419. The next prime is 1101025451437. The reversal of 1101025451420 is 241545201011.

It is a happy number.

It is a super-2 number, since 2×1101025451420² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101025451420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17738960 + ... + 17800919.

It is an arithmetic number, because the mean of its divisors is an integer number (96401924500).

Almost surely, 2^{1101025451420} is an apocalyptic number.

1101025451420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101025451420 is an abundant number, since it is smaller than the sum of its proper divisors (1212620736580).

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

1101025451420 is a wasteful number, since it uses less digits than its factorization.

1101025451420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35541437 (or 35541435 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 1101025451420 in words is "one trillion, one hundred one billion, twenty-five million, four hundred fifty-one thousand, four hundred twenty".