1293015807660 has 48 divisors (see below), whose sum is σ = 3718294112736. Its totient is φ = 335485181952.

The previous prime is 1293015807637. The next prime is 1293015807661. The reversal of 1293015807660 is 667085103921.

It is a super-2 number, since 2×1293015807660² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1293015807661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291217557 + ... + 291221996.

It is an arithmetic number, because the mean of its divisors is an integer number (77464460682).

Almost surely, 2^{1293015807660} is an apocalyptic number.

1293015807660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1293015807660 is an abundant number, since it is smaller than the sum of its proper divisors (2425278305076).

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

1293015807660 is a wasteful number, since it uses less digits than its factorization.

1293015807660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582439602 (or 582439600 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 1293015807660 in words is "one trillion, two hundred ninety-three billion, fifteen million, eight hundred seven thousand, six hundred sixty".