1371325551 has 16 divisors (see below), whose sum is σ = 1960986240. Its totient is φ = 849756960.

The previous prime is 1371325541. The next prime is 1371325583. The reversal of 1371325551 is 1555231731.

It is not a de Polignac number, because 1371325551 - 2²³ = 1362936943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371325511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 223945 + ... + 229986.

It is an arithmetic number, because the mean of its divisors is an integer number (122561640).

Almost surely, 2^1371325551 is an apocalyptic number.

1371325551 is a deficient number, since it is larger than the sum of its proper divisors (589660689).

1371325551 is a wasteful number, since it uses less digits than its factorization.

1371325551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454006.

The product of its digits is 15750, while the sum is 33.

The square root of 1371325551 is about 37031.4130300209. The cubic root of 1371325551 is about 1110.9986281239.

The spelling of 1371325551 in words is "one billion, three hundred seventy-one million, three hundred twenty-five thousand, five hundred fifty-one".