2561028151 has 8 divisors (see below), whose sum is σ = 2794233600. Its totient is φ = 2327886840.

The previous prime is 2561028131. The next prime is 2561028181. The reversal of 2561028151 is 1518201652.

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

It is a cyclic number.

It is not a de Polignac number, because 2561028151 - 2¹⁵ = 2560995383 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 (2561028131) 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, 111840 + ... + 132778.

It is an arithmetic number, because the mean of its divisors is an integer number (349279200).

Almost surely, 2^2561028151 is an apocalyptic number.

2561028151 is a deficient number, since it is larger than the sum of its proper divisors (233205449).

2561028151 is a wasteful number, since it uses less digits than its factorization.

2561028151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32069.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 2561028151 is about 50606.6018519323. The cubic root of 2561028151 is about 1368.1638696504.

The spelling of 2561028151 in words is "two billion, five hundred sixty-one million, twenty-eight thousand, one hundred fifty-one".