6118355779501 has 4 divisors (see below), whose sum is σ = 6992406605152. Its totient is φ = 5244304953852.

The previous prime is 6118355779457. The next prime is 6118355779507. The reversal of 6118355779501 is 1059775538116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6118355779501 - 2²¹ = 6118353682349 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 (6118355779507) 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, 437025412815 + ... + 437025412828.

It is an arithmetic number, because the mean of its divisors is an integer number (1748101651288).

Almost surely, 2^{6118355779501} is an apocalyptic number.

It is an amenable number.

6118355779501 is a deficient number, since it is larger than the sum of its proper divisors (874050825651).

6118355779501 is an equidigital number, since it uses as much as digits as its factorization.

6118355779501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874050825650.

The product of its (nonzero) digits is 7938000, while the sum is 58.

The spelling of 6118355779501 in words is "six trillion, one hundred eighteen billion, three hundred fifty-five million, seven hundred seventy-nine thousand, five hundred one".