1123015621364 has 48 divisors (see below), whose sum is σ = 2464440709248. Its totient is φ = 435887457408.

The previous prime is 1123015621339. The next prime is 1123015621369. The reversal of 1123015621364 is 4631265103211.

It is a super-2 number, since 2×1123015621364² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123015621369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29086442 + ... + 29125025.

It is an arithmetic number, because the mean of its divisors is an integer number (51342514776).

Almost surely, 2^{1123015621364} is an apocalyptic number.

1123015621364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123015621364 is an abundant number, since it is smaller than the sum of its proper divisors (1341425087884).

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

1123015621364 is a wasteful number, since it uses less digits than its factorization.

1123015621364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58211544 (or 58211542 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1123015621364 in words is "one trillion, one hundred twenty-three billion, fifteen million, six hundred twenty-one thousand, three hundred sixty-four".