151056081 has 12 divisors (see below), whose sum is σ = 238027920. Its totient is φ = 91549080.

The previous prime is 151056047. The next prime is 151056083. The reversal of 151056081 is 180650151.

151056081 is a `hidden beast` number, since 1 + 51 + 0 + 5 + 608 + 1 = 666.

It is not a de Polignac number, because 151056081 - 2⁷ = 151055953 is a prime.

It is a super-2 number, since 2×151056081² = 45635879214157122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151056083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762811 + ... + 763008.

It is an arithmetic number, because the mean of its divisors is an integer number (19835660).

Almost surely, 2^151056081 is an apocalyptic number.

151056081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151056081 is a deficient number, since it is larger than the sum of its proper divisors (86971839).

151056081 is a wasteful number, since it uses less digits than its factorization.

151056081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525836 (or 1525833 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 151056081 is about 12290.4874191384. The cubic root of 151056081 is about 532.5733179480.

The spelling of 151056081 in words is "one hundred fifty-one million, fifty-six thousand, eighty-one".