1121260402496 has 56 divisors (see below), whose sum is σ = 2431918671840. Its totient is φ = 509780823552.

The previous prime is 1121260402487. The next prime is 1121260402499. The reversal of 1121260402496 is 6942040621211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121260402499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001486 + ... + 10112973.

It is an arithmetic number, because the mean of its divisors is an integer number (43427119140).

Almost surely, 2^{1121260402496} is an apocalyptic number.

1121260402496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1121260402496 is an abundant number, since it is smaller than the sum of its proper divisors (1310658269344).

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

1121260402496 is a wasteful number, since it uses less digits than its factorization.

1121260402496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20114551 (or 20114541 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 1121260402496 in words is "one trillion, one hundred twenty-one billion, two hundred sixty million, four hundred two thousand, four hundred ninety-six".