1101601055551 has 8 divisors (see below), whose sum is σ = 1137789780608. Its totient is φ = 1065453156000.

The previous prime is 1101601055549. The next prime is 1101601055563. The reversal of 1101601055551 is 1555501061011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101601055551 - 2¹ = 1101601055549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101601055501) 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, 10151520 + ... + 10259461.

It is an arithmetic number, because the mean of its divisors is an integer number (142223722576).

Almost surely, 2^{1101601055551} is an apocalyptic number.

1101601055551 is a deficient number, since it is larger than the sum of its proper divisors (36188725057).

1101601055551 is a wasteful number, since it uses less digits than its factorization.

1101601055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20412753.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 1101601055551 in words is "one trillion, one hundred one billion, six hundred one million, fifty-five thousand, five hundred fifty-one".