1156650100550 has 48 divisors (see below), whose sum is σ = 2459779751520. Its totient is φ = 396392828160.

The previous prime is 1156650100517. The next prime is 1156650100603. The reversal of 1156650100550 is 550010566511.

It is a super-2 number, since 2×1156650100550² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156650100550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84596 + ... + 1523304.

It is an arithmetic number, because the mean of its divisors is an integer number (51245411490).

Almost surely, 2^{1156650100550} is an apocalyptic number.

1156650100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156650100550 is an abundant number, since it is smaller than the sum of its proper divisors (1303129650970).

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

1156650100550 is a wasteful number, since it uses less digits than its factorization.

1156650100550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441025 (or 1441020 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1156650100550 in words is "one trillion, one hundred fifty-six billion, six hundred fifty million, one hundred thousand, five hundred fifty".