2061625511 has 4 divisors (see below), whose sum is σ = 2249046024. Its totient is φ = 1874205000.

The previous prime is 2061625481. The next prime is 2061625549. The reversal of 2061625511 is 1155261602.

It is a happy number.

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 2061625511 - 2²⁶ = 1994516647 is a prime.

It is a super-2 number, since 2×2061625511² = 8500599495212022242, 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 (2061625211) 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, 93710240 + ... + 93710261.

It is an arithmetic number, because the mean of its divisors is an integer number (562261506).

Almost surely, 2^2061625511 is an apocalyptic number.

2061625511 is a deficient number, since it is larger than the sum of its proper divisors (187420513).

2061625511 is a wasteful number, since it uses less digits than its factorization.

2061625511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187420512.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2061625511 is about 45405.1264836912. The cubic root of 2061625511 is about 1272.7309145135.

The spelling of 2061625511 in words is "two billion, sixty-one million, six hundred twenty-five thousand, five hundred eleven".