1245151504000 has 256 divisors, whose sum is σ = 3119070240000. Its totient is φ = 494327500800.

The previous prime is 1245151503979. The next prime is 1245151504001. The reversal of 1245151504000 is 4051515421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245151504000.

It is not an unprimeable number, because it can be changed into a prime (1245151504001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1889455671 + ... + 1889456329.

It is an arithmetic number, because the mean of its divisors is an integer number (12183868125).

Almost surely, 2^{1245151504000} is an apocalyptic number.

1245151504000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245151504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559535120000).

1245151504000 is an abundant number, since it is smaller than the sum of its proper divisors (1873918736000).

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

1245151504000 is an equidigital number, since it uses as much as digits as its factorization.

1245151504000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 1245151504000 in words is "one trillion, two hundred forty-five billion, one hundred fifty-one million, five hundred four thousand".