1377374154551 has 2 divisors, whose sum is σ = 1377374154552. Its totient is φ = 1377374154550.

The previous prime is 1377374154539. The next prime is 1377374154557. The reversal of 1377374154551 is 1554514737731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1377374154551 - 2⁶ = 1377374154487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377374154493 and 1377374154502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377374154557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688687077275 + 688687077276.

It is an arithmetic number, because the mean of its divisors is an integer number (688687077276).

Almost surely, 2^{1377374154551} is an apocalyptic number.

1377374154551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377374154551 is an equidigital number, since it uses as much as digits as its factorization.

1377374154551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6174000, while the sum is 53.

The spelling of 1377374154551 in words is "one trillion, three hundred seventy-seven billion, three hundred seventy-four million, one hundred fifty-four thousand, five hundred fifty-one".