1125397983480 has 64 divisors (see below), whose sum is σ = 3376341066240. Its totient is φ = 300093052032.

The previous prime is 1125397983427. The next prime is 1125397983517. The reversal of 1125397983480 is 843897935211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2736717 + ... + 3120963.

It is an arithmetic number, because the mean of its divisors is an integer number (52755329160).

Almost surely, 2^{1125397983480} is an apocalyptic number.

1125397983480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125397983480 is an abundant number, since it is smaller than the sum of its proper divisors (2250943082760).

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

1125397983480 is a wasteful number, since it uses less digits than its factorization.

1125397983480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408668 (or 408664 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 1125397983480 in words is "one trillion, one hundred twenty-five billion, three hundred ninety-seven million, nine hundred eighty-three thousand, four hundred eighty".