1011341132500 has 120 divisors (see below), whose sum is σ = 2296169390592. Its totient is φ = 389218800000.

The previous prime is 1011341132491. The next prime is 1011341132509. The reversal of 1011341132500 is 52311431101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011341132491) and next prime (1011341132509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011341132509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13369785 + ... + 13445215.

Almost surely, 2^{1011341132500} is an apocalyptic number.

1011341132500 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 1011341132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148084695296).

1011341132500 is an abundant number, since it is smaller than the sum of its proper divisors (1284828258092).

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

1011341132500 is a wasteful number, since it uses less digits than its factorization.

1011341132500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75659 (or 75642 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 1011341132500 its reverse (52311431101), we get a palindrome (1063652563601).

The spelling of 1011341132500 in words is "one trillion, eleven billion, three hundred forty-one million, one hundred thirty-two thousand, five hundred".