15451122006121 has 8 divisors (see below), whose sum is σ = 15958211648544. Its totient is φ = 14950748783040.

The previous prime is 15451122006041. The next prime is 15451122006157. The reversal of 15451122006121 is 12160022115451.

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 15451122006121 - 2³¹ = 15448974522473 is a prime.

It is a super-2 number, since 2×15451122006121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15452122006121) 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, 1679100160 + ... + 1679109361.

It is an arithmetic number, because the mean of its divisors is an integer number (1994776456068).

Almost surely, 2^{15451122006121} is an apocalyptic number.

It is an amenable number.

15451122006121 is a deficient number, since it is larger than the sum of its proper divisors (507089642423).

15451122006121 is a wasteful number, since it uses less digits than its factorization.

15451122006121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358209671.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 15451122006121 in words is "fifteen trillion, four hundred fifty-one billion, one hundred twenty-two million, six thousand, one hundred twenty-one".