151011655 has 4 divisors (see below), whose sum is σ = 181213992. Its totient is φ = 120809320.

The previous prime is 151011643. The next prime is 151011683. The reversal of 151011655 is 556110151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 151011655 - 2²⁷ = 16793927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15101161 + ... + 15101170.

It is an arithmetic number, because the mean of its divisors is an integer number (45303498).

Almost surely, 2^151011655 is an apocalyptic number.

151011655 is a deficient number, since it is larger than the sum of its proper divisors (30202337).

151011655 is an equidigital number, since it uses as much as digits as its factorization.

151011655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30202336.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 151011655 is about 12288.6799535182. The cubic root of 151011655 is about 532.5211024134.

The spelling of 151011655 in words is "one hundred fifty-one million, eleven thousand, six hundred fifty-five".