121105550537 has 8 divisors (see below), whose sum is σ = 126422293056. Its totient is φ = 115793081712.

The previous prime is 121105550497. The next prime is 121105550539. The reversal of 121105550537 is 735055501121.

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 121105550537 - 2⁸ = 121105550281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121105550497 and 121105550506.

It is not an unprimeable number, because it can be changed into a prime (121105550539) 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, 1010438 + ... + 1123919.

It is an arithmetic number, because the mean of its divisors is an integer number (15802786632).

Almost surely, 2^121105550537 is an apocalyptic number.

It is an amenable number.

121105550537 is a deficient number, since it is larger than the sum of its proper divisors (5316742519).

121105550537 is a wasteful number, since it uses less digits than its factorization.

121105550537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136847.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 121105550537 in words is "one hundred twenty-one billion, one hundred five million, five hundred fifty thousand, five hundred thirty-seven".