1553550451101 has 96 divisors (see below), whose sum is σ = 2707825655808. Its totient is φ = 846657630720.

The previous prime is 1553550451087. The next prime is 1553550451109. The reversal of 1553550451101 is 1011540553551.

1553550451101 is a `hidden beast` number, since 1 + 5 + 5 + 35 + 504 + 5 + 110 + 1 = 666.

It is not a de Polignac number, because 1553550451101 - 2⁹ = 1553550450589 is a prime.

It is a super-2 number, since 2×1553550451101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553550451109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34312260 + ... + 34357506.

It is an arithmetic number, because the mean of its divisors is an integer number (28206517248).

Almost surely, 2^{1553550451101} is an apocalyptic number.

1553550451101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1553550451101 is a deficient number, since it is larger than the sum of its proper divisors (1154275204707).

1553550451101 is a wasteful number, since it uses less digits than its factorization.

1553550451101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46191 (or 46188 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 1553550451101 in words is "one trillion, five hundred fifty-three billion, five hundred fifty million, four hundred fifty-one thousand, one hundred one".