1151426880 has 224 divisors, whose sum is σ = 4121383680. Its totient is φ = 302561280.

The previous prime is 1151426873. The next prime is 1151426891. The reversal of 1151426880 is 886241511.

1151426880 is a `hidden beast` number, since 1 + 1 + 514 + 2 + 68 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612502 + ... + 614378.

Almost surely, 2^1151426880 is an apocalyptic number.

1151426880 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 1151426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060691840).

1151426880 is an abundant number, since it is smaller than the sum of its proper divisors (2969956800).

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

1151426880 is a wasteful number, since it uses less digits than its factorization.

1151426880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 1151426880 is about 33932.6815916455. The cubic root of 1151426880 is about 1048.1226863342.

The spelling of 1151426880 in words is "one billion, one hundred fifty-one million, four hundred twenty-six thousand, eight hundred eighty".