1101513642780 has 96 divisors (see below), whose sum is σ = 3091331896128. Its totient is φ = 293061888000.

The previous prime is 1101513642773. The next prime is 1101513642793. The reversal of 1101513642780 is 872463151011.

It is a super-2 number, since 2×1101513642780² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87408480 + ... + 87421080.

It is an arithmetic number, because the mean of its divisors is an integer number (32201373918).

Almost surely, 2^{1101513642780} is an apocalyptic number.

1101513642780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101513642780 is an abundant number, since it is smaller than the sum of its proper divisors (1989818253348).

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

1101513642780 is a wasteful number, since it uses less digits than its factorization.

1101513642780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15847 (or 15845 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

Adding to 1101513642780 its reverse (872463151011), we get a palindrome (1973976793791).

The spelling of 1101513642780 in words is "one trillion, one hundred one billion, five hundred thirteen million, six hundred forty-two thousand, seven hundred eighty".