1101920918928 has 60 divisors (see below), whose sum is σ = 3023927773200. Its totient is φ = 345700676096.

The previous prime is 1101920918921. The next prime is 1101920918939. The reversal of 1101920918928 is 8298190291011.

It is a happy number.

It is a super-2 number, since 2×1101920918928² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1101920918921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39703578 + ... + 39731321.

It is an arithmetic number, because the mean of its divisors is an integer number (50398796220).

Almost surely, 2^{1101920918928} is an apocalyptic number.

It is an amenable number.

1101920918928 is an abundant number, since it is smaller than the sum of its proper divisors (1922006854272).

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

1101920918928 is a wasteful number, since it uses less digits than its factorization.

1101920918928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79434944 (or 79434921 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 51.

The spelling of 1101920918928 in words is "one trillion, one hundred one billion, nine hundred twenty million, nine hundred eighteen thousand, nine hundred twenty-eight".