1249815014680 has 16 divisors (see below), whose sum is σ = 2812083783120. Its totient is φ = 499926005856.

The previous prime is 1249815014671. The next prime is 1249815014683. The reversal of 1249815014680 is 864105189421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249815014683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15622687644 + ... + 15622687723.

It is an arithmetic number, because the mean of its divisors is an integer number (175755236445).

Almost surely, 2^{1249815014680} is an apocalyptic number.

1249815014680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1249815014680 is an abundant number, since it is smaller than the sum of its proper divisors (1562268768440).

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

1249815014680 is a wasteful number, since it uses less digits than its factorization.

1249815014680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31245375378 (or 31245375374 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 1249815014680 in words is "one trillion, two hundred forty-nine billion, eight hundred fifteen million, fourteen thousand, six hundred eighty".