1553033113040 has 80 divisors (see below), whose sum is σ = 3708890139648. Its totient is φ = 604342384128.

The previous prime is 1553033113039. The next prime is 1553033113061. The reversal of 1553033113040 is 403113303551.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1553033112994 and 1553033113012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24960209 + ... + 25022351.

Almost surely, 2^{1553033113040} is an apocalyptic number.

1553033113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553033113040 is an abundant number, since it is smaller than the sum of its proper divisors (2155857026608).

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

1553033113040 is a wasteful number, since it uses less digits than its factorization.

1553033113040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70636 (or 70630 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 1553033113040 its reverse (403113303551), we get a palindrome (1956146416591).

The spelling of 1553033113040 in words is "one trillion, five hundred fifty-three billion, thirty-three million, one hundred thirteen thousand, forty".