1258097740512 has 48 divisors (see below), whose sum is σ = 3302764794000. Its totient is φ = 419333123072.

The previous prime is 1258097740481. The next prime is 1258097740513. The reversal of 1258097740512 is 2150477908521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258097740513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737614 + ... + 1749362.

It is an arithmetic number, because the mean of its divisors is an integer number (68807599875).

Almost surely, 2^{1258097740512} is an apocalyptic number.

1258097740512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1258097740512 is an abundant number, since it is smaller than the sum of its proper divisors (2044667053488).

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

1258097740512 is a wasteful number, since it uses less digits than its factorization.

1258097740512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024715 (or 1024707 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 1258097740512 in words is "one trillion, two hundred fifty-eight billion, ninety-seven million, seven hundred forty thousand, five hundred twelve".