1355252063465 has 8 divisors (see below), whose sum is σ = 1627576017480. Its totient is φ = 1083352623232.

The previous prime is 1355252063453. The next prime is 1355252063467. The reversal of 1355252063465 is 5643602525531.

It can be written as a sum of positive squares in 4 ways, for example, as 2280635536 + 1352971427929 = 47756^2 + 1163173^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1355252063465 - 2³² = 1350957096169 is a prime.

It is a super-2 number, since 2×1355252063465² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1355252063467) 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, 106121420 + ... + 106134189.

It is an arithmetic number, because the mean of its divisors is an integer number (203447002185).

Almost surely, 2^{1355252063465} is an apocalyptic number.

It is an amenable number.

1355252063465 is a deficient number, since it is larger than the sum of its proper divisors (272323954015).

1355252063465 is a wasteful number, since it uses less digits than its factorization.

1355252063465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212256891.

The product of its (nonzero) digits is 3240000, while the sum is 47.

Adding to 1355252063465 its reverse (5643602525531), we get a palindrome (6998854588996).

The spelling of 1355252063465 in words is "one trillion, three hundred fifty-five billion, two hundred fifty-two million, sixty-three thousand, four hundred sixty-five".