1415540203100 has 72 divisors (see below), whose sum is σ = 3125487976800. Its totient is φ = 556325625600.

The previous prime is 1415540203043. The next prime is 1415540203109. The reversal of 1415540203100 is 13020455141.

It is a super-2 number, since 2×1415540203100² (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 1415540203100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415540203109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5479646 + ... + 5732154.

Almost surely, 2^{1415540203100} is an apocalyptic number.

1415540203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1415540203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562743988400).

1415540203100 is an abundant number, since it is smaller than the sum of its proper divisors (1709947773700).

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

1415540203100 is a wasteful number, since it uses less digits than its factorization.

1415540203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253503 (or 253496 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1415540203100 its reverse (13020455141), we get a palindrome (1428560658241).

The spelling of 1415540203100 in words is "one trillion, four hundred fifteen billion, five hundred forty million, two hundred three thousand, one hundred".