1123337064465 has 96 divisors (see below), whose sum is σ = 2429308627200. Its totient is φ = 466508021760.

The previous prime is 1123337064461. The next prime is 1123337064523. The reversal of 1123337064465 is 5644607333211.

1123337064465 is a `hidden beast` number, since 1 + 1 + 233 + 370 + 6 + 4 + 46 + 5 = 666.

It is not a de Polignac number, because 1123337064465 - 2² = 1123337064461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1123337064465.

It is not an unprimeable number, because it can be changed into a prime (1123337064461) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4767141 + ... + 4997229.

It is an arithmetic number, because the mean of its divisors is an integer number (25305298200).

Almost surely, 2^{1123337064465} is an apocalyptic number.

1123337064465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123337064465 is an abundant number, since it is smaller than the sum of its proper divisors (1305971562735).

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

1123337064465 is a wasteful number, since it uses less digits than its factorization.

1123337064465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231527 (or 231524 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 1123337064465 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-seven million, sixty-four thousand, four hundred sixty-five".