1294796571572 has 72 divisors (see below), whose sum is σ = 2640960290304. Its totient is φ = 553835112768.

The previous prime is 1294796571559. The next prime is 1294796571583. The reversal of 1294796571572 is 2751756974921.

It is a junction number, because it is equal to n+sod(n) for n = 1294796571499 and 1294796571508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356004938 + ... + 356008574.

It is an arithmetic number, because the mean of its divisors is an integer number (36680004032).

Almost surely, 2^{1294796571572} is an apocalyptic number.

It is an amenable number.

1294796571572 is an abundant number, since it is smaller than the sum of its proper divisors (1346163718732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1294796571572 is a wasteful number, since it uses less digits than its factorization.

1294796571572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685 (or 6676 counting only the distinct ones).

The product of its digits is 66679200, while the sum is 65.

The spelling of 1294796571572 in words is "one trillion, two hundred ninety-four billion, seven hundred ninety-six million, five hundred seventy-one thousand, five hundred seventy-two".