2151525311 has 12 divisors (see below), whose sum is σ = 2350396368. Its totient is φ = 1968430464.

The previous prime is 2151525269. The next prime is 2151525319. The reversal of 2151525311 is 1135251512.

It is a de Polignac number, because none of the positive numbers 2^k-2151525311 is a prime.

It is a super-2 number, since 2×2151525311² = 9258122327747293442, 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 (2151525319) 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, 37235 + ... + 75428.

It is an arithmetic number, because the mean of its divisors is an integer number (195866364).

Almost surely, 2^2151525311 is an apocalyptic number.

2151525311 is a deficient number, since it is larger than the sum of its proper divisors (198871057).

2151525311 is a wasteful number, since it uses less digits than its factorization.

2151525311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112802 (or 112789 counting only the distinct ones).

The product of its digits is 1500, while the sum is 26.

The square root of 2151525311 is about 46384.5374128060. The cubic root of 2151525311 is about 1290.9680274831.

Adding to 2151525311 its reverse (1135251512), we get a palindrome (3286776823).

The spelling of 2151525311 in words is "two billion, one hundred fifty-one million, five hundred twenty-five thousand, three hundred eleven".