1371457761603 has 8 divisors (see below), whose sum is σ = 1829183414016. Its totient is φ = 914018641800.

The previous prime is 1371457761581. The next prime is 1371457761647. The reversal of 1371457761603 is 3061677541731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1371457761603 - 2¹⁰ = 1371457760579 is a prime.

It is a super-2 number, since 2×1371457761603² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1371457061603) 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, 71621983 + ... + 71641128.

It is an arithmetic number, because the mean of its divisors is an integer number (228647926752).

Almost surely, 2^{1371457761603} is an apocalyptic number.

1371457761603 is a deficient number, since it is larger than the sum of its proper divisors (457725652413).

1371457761603 is a wasteful number, since it uses less digits than its factorization.

1371457761603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143266305.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 1371457761603 in words is "one trillion, three hundred seventy-one billion, four hundred fifty-seven million, seven hundred sixty-one thousand, six hundred three".