2151353551 has 8 divisors (see below), whose sum is σ = 2205979344. Its totient is φ = 2097352320.

The previous prime is 2151353543. The next prime is 2151353569. The reversal of 2151353551 is 1553531512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2151353551 - 2³ = 2151353543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151353251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149161 + ... + 162946.

It is an arithmetic number, because the mean of its divisors is an integer number (275747418).

Almost surely, 2^2151353551 is an apocalyptic number.

2151353551 is a deficient number, since it is larger than the sum of its proper divisors (54625793).

2151353551 is a wasteful number, since it uses less digits than its factorization.

2151353551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312281.

The product of its digits is 11250, while the sum is 31.

The square root of 2151353551 is about 46382.6858967870. The cubic root of 2151353551 is about 1290.9336731628.

The spelling of 2151353551 in words is "two billion, one hundred fifty-one million, three hundred fifty-three thousand, five hundred fifty-one".