1361215351475 has 24 divisors (see below), whose sum is σ = 1929140455680. Its totient is φ = 933354565920.

The previous prime is 1361215351453. The next prime is 1361215351477. The reversal of 1361215351475 is 5741535121631.

It is not a de Polignac number, because 1361215351475 - 2²⁸ = 1360946916019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361215351477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3209906 + ... + 3609144.

It is an arithmetic number, because the mean of its divisors is an integer number (80380852320).

Almost surely, 2^{1361215351475} is an apocalyptic number.

1361215351475 is a deficient number, since it is larger than the sum of its proper divisors (567925104205).

1361215351475 is a wasteful number, since it uses less digits than its factorization.

1361215351475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418739 (or 418734 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The spelling of 1361215351475 in words is "one trillion, three hundred sixty-one billion, two hundred fifteen million, three hundred fifty-one thousand, four hundred seventy-five".