1125465263616 has 40 divisors (see below), whose sum is σ = 2998309807944. Its totient is φ = 375155087360.

The previous prime is 1125465263597. The next prime is 1125465263639. The reversal of 1125465263616 is 6163625645211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366360855 + ... + 366363926.

Almost surely, 2^{1125465263616} is an apocalyptic number.

1125465263616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125465263616 is an abundant number, since it is smaller than the sum of its proper divisors (1872844544328).

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

1125465263616 is an frugal number, since it uses more digits than its factorization.

1125465263616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732724802 (or 732724786 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The spelling of 1125465263616 in words is "one trillion, one hundred twenty-five billion, four hundred sixty-five million, two hundred sixty-three thousand, six hundred sixteen".