1345615561412 has 6 divisors (see below), whose sum is σ = 2354827232478. Its totient is φ = 672807780704.

The previous prime is 1345615561373. The next prime is 1345615561427. The reversal of 1345615561412 is 2141655165431.

It can be written as a sum of positive squares in only one way, i.e., 1271405084356 + 74210477056 = 1127566^2 + 272416^2 .

It is a super-2 number, since 2×1345615561412² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168201945173 + ... + 168201945180.

It is an arithmetic number, because the mean of its divisors is an integer number (392471205413).

Almost surely, 2^{1345615561412} is an apocalyptic number.

It is an amenable number.

1345615561412 is a deficient number, since it is larger than the sum of its proper divisors (1009211671066).

1345615561412 is a wasteful number, since it uses less digits than its factorization.

1345615561412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336403890357 (or 336403890355 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The spelling of 1345615561412 in words is "one trillion, three hundred forty-five billion, six hundred fifteen million, five hundred sixty-one thousand, four hundred twelve".