7155622061 has 8 divisors (see below), whose sum is σ = 8332153344. Its totient is φ = 6017665680.

The previous prime is 7155622051. The next prime is 7155622121. The reversal of 7155622061 is 1602265517.

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 7155622061 - 2²⁶ = 7088513197 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 (7155622051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9643325 + ... + 9644066.

It is an arithmetic number, because the mean of its divisors is an integer number (1041519168).

Almost surely, 2^7155622061 is an apocalyptic number.

It is an amenable number.

7155622061 is a deficient number, since it is larger than the sum of its proper divisors (1176531283).

7155622061 is a wasteful number, since it uses less digits than its factorization.

7155622061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19287451.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 7155622061 is about 84590.9100376630. The cubic root of 7155622061 is about 1927.0033283644.

Adding to 7155622061 its reverse (1602265517), we get a palindrome (8757887578).

The spelling of 7155622061 in words is "seven billion, one hundred fifty-five million, six hundred twenty-two thousand, sixty-one".