1263250006950 has 48 divisors (see below), whose sum is σ = 3136047422976. Its totient is φ = 336523936800.

The previous prime is 1263250006937. The next prime is 1263250006951. The reversal of 1263250006950 is 596000523621.

It is a junction number, because it is equal to n+sod(n) for n = 1263250006899 and 1263250006908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263250006951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4136206 + ... + 4431105.

It is an arithmetic number, because the mean of its divisors is an integer number (65334321312).

Almost surely, 2^{1263250006950} is an apocalyptic number.

1263250006950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1263250006950 is an abundant number, since it is smaller than the sum of its proper divisors (1872797416026).

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

1263250006950 is a wasteful number, since it uses less digits than its factorization.

1263250006950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568309 (or 8568304 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 1263250006950 in words is "one trillion, two hundred sixty-three billion, two hundred fifty million, six thousand, nine hundred fifty".