1151503005040 has 80 divisors (see below), whose sum is σ = 2701756683648. Its totient is φ = 456386531328.

The previous prime is 1151503004999. The next prime is 1151503005041. The reversal of 1151503005040 is 405003051511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1151503004996 and 1151503005014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151503005041) 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, 32860969 + ... + 32895991.

Almost surely, 2^{1151503005040} is an apocalyptic number.

1151503005040 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 1151503005040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350878341824).

1151503005040 is an abundant number, since it is smaller than the sum of its proper divisors (1550253678608).

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

1151503005040 is a wasteful number, since it uses less digits than its factorization.

1151503005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38786 (or 38780 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 1151503005040 its reverse (405003051511), we get a palindrome (1556506056551).

The spelling of 1151503005040 in words is "one trillion, one hundred fifty-one billion, five hundred three million, five thousand, forty".