511201151 has 4 divisors (see below), whose sum is σ = 533427312. Its totient is φ = 488974992.

The previous prime is 511201147. The next prime is 511201153. The reversal of 511201151 is 151102115.

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

It is a cyclic number.

It is not a de Polignac number, because 511201151 - 2² = 511201147 is a prime.

It is a super-2 number, since 2×511201151² = 522653233567449602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511201153) 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, 11113046 + ... + 11113091.

It is an arithmetic number, because the mean of its divisors is an integer number (133356828).

Almost surely, 2^511201151 is an apocalyptic number.

511201151 is a deficient number, since it is larger than the sum of its proper divisors (22226161).

511201151 is a wasteful number, since it uses less digits than its factorization.

511201151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226160.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 511201151 is about 22609.7578713263. The cubic root of 511201151 is about 799.5837162349.

Adding to 511201151 its reverse (151102115), we get a palindrome (662303266).

The spelling of 511201151 in words is "five hundred eleven million, two hundred one thousand, one hundred fifty-one".