1263155302460 has 24 divisors (see below), whose sum is σ = 2659552068096. Its totient is φ = 503942895680.

The previous prime is 1263155302447. The next prime is 1263155302523. The reversal of 1263155302460 is 642035513621.

It is a super-2 number, since 2×1263155302460² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82443731 + ... + 82459050.

It is an arithmetic number, because the mean of its divisors is an integer number (110814669504).

Almost surely, 2^{1263155302460} is an apocalyptic number.

1263155302460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263155302460 is an abundant number, since it is smaller than the sum of its proper divisors (1396396765636).

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

1263155302460 is a wasteful number, since it uses less digits than its factorization.

1263155302460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164903173 (or 164903171 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1263155302460 in words is "one trillion, two hundred sixty-three billion, one hundred fifty-five million, three hundred two thousand, four hundred sixty".