1341203556777 has 16 divisors (see below), whose sum is σ = 2151303951360. Its totient is φ = 726065083152.

The previous prime is 1341203556767. The next prime is 1341203556809. The reversal of 1341203556777 is 7776553021431.

It is not a de Polignac number, because 1341203556777 - 2⁶ = 1341203556713 is a prime.

It is a super-2 number, since 2×1341203556777² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1341203556767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680705813 + ... + 1680706610.

It is an arithmetic number, because the mean of its divisors is an integer number (134456496960).

Almost surely, 2^{1341203556777} is an apocalyptic number.

It is an amenable number.

1341203556777 is a deficient number, since it is larger than the sum of its proper divisors (810100394583).

1341203556777 is a wasteful number, since it uses less digits than its factorization.

1341203556777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361412452.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 1341203556777 in words is "one trillion, three hundred forty-one billion, two hundred three million, five hundred fifty-six thousand, seven hundred seventy-seven".