1203157011040 has 96 divisors (see below), whose sum is σ = 2897965286496. Its totient is φ = 471876587520.

The previous prime is 1203157011031. The next prime is 1203157011041. The reversal of 1203157011040 is 401107513021.

It is a junction number, because it is equal to n+sod(n) for n = 1203157010996 and 1203157011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203157011041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13276924 + ... + 13367236.

It is an arithmetic number, because the mean of its divisors is an integer number (30187138401).

Almost surely, 2^{1203157011040} is an apocalyptic number.

1203157011040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203157011040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448982643248).

1203157011040 is an abundant number, since it is smaller than the sum of its proper divisors (1694808275456).

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

1203157011040 is a wasteful number, since it uses less digits than its factorization.

1203157011040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91952 (or 91944 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 1203157011040 in words is "one trillion, two hundred three billion, one hundred fifty-seven million, eleven thousand, forty".