6155991502790 has 16 divisors (see below), whose sum is σ = 11138198100768. Its totient is φ = 2449638068736.

The previous prime is 6155991502709. The next prime is 6155991502799. The reversal of 6155991502790 is 972051995516.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155991502799) 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, 1594814522 + ... + 1594818381.

It is an arithmetic number, because the mean of its divisors is an integer number (696137381298).

Almost surely, 2^{6155991502790} is an apocalyptic number.

6155991502790 is a deficient number, since it is larger than the sum of its proper divisors (4982206597978).

6155991502790 is a wasteful number, since it uses less digits than its factorization.

6155991502790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189633103.

The product of its (nonzero) digits is 7654500, while the sum is 59.

The spelling of 6155991502790 in words is "six trillion, one hundred fifty-five billion, nine hundred ninety-one million, five hundred two thousand, seven hundred ninety".