151100881 has 4 divisors (see below), whose sum is σ = 151945200. Its totient is φ = 150256564.

The previous prime is 151100861. The next prime is 151100891. The reversal of 151100881 is 188001151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151100881 - 2¹⁹ = 150576593 is a prime.

It is a super-2 number, since 2×151100881² = 45662952477952322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151100821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421891 + ... + 422248.

It is an arithmetic number, because the mean of its divisors is an integer number (37986300).

Almost surely, 2^151100881 is an apocalyptic number.

It is an amenable number.

151100881 is a deficient number, since it is larger than the sum of its proper divisors (844319).

151100881 is an equidigital number, since it uses as much as digits as its factorization.

151100881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844318.

The product of its (nonzero) digits is 320, while the sum is 25.

The square root of 151100881 is about 12292.3098317607. The cubic root of 151100881 is about 532.6259626924.

The spelling of 151100881 in words is "one hundred fifty-one million, one hundred thousand, eight hundred eighty-one".