1151439146880 has 128 divisors (see below), whose sum is σ = 4003868016000. Its totient is φ = 279136757760.

The previous prime is 1151439146849. The next prime is 1151439146881. The reversal of 1151439146880 is 886419341511.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151439146881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27238330 + ... + 27280569.

It is an arithmetic number, because the mean of its divisors is an integer number (31280218875).

Almost surely, 2^{1151439146880} is an apocalyptic number.

1151439146880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151439146880 is an abundant number, since it is smaller than the sum of its proper divisors (2852428869120).

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

1151439146880 is a wasteful number, since it uses less digits than its factorization.

1151439146880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54518932 (or 54518920 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 1151439146880 in words is "one trillion, one hundred fifty-one billion, four hundred thirty-nine million, one hundred forty-six thousand, eight hundred eighty".