7155058990 has 16 divisors (see below), whose sum is σ = 13034277648. Its totient is φ = 2827541056.

The previous prime is 7155058979. The next prime is 7155059099. The reversal of 7155058990 is 998505517.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4309447 + ... + 4311106.

It is an arithmetic number, because the mean of its divisors is an integer number (814642353).

Almost surely, 2^7155058990 is an apocalyptic number.

7155058990 is a deficient number, since it is larger than the sum of its proper divisors (5879218658).

7155058990 is a wasteful number, since it uses less digits than its factorization.

7155058990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620643.

The product of its (nonzero) digits is 567000, while the sum is 49.

The square root of 7155058990 is about 84587.5817717944. The cubic root of 7155058990 is about 1926.9527821811.

The spelling of 7155058990 in words is "seven billion, one hundred fifty-five million, fifty-eight thousand, nine hundred ninety".