61373401515121 has 8 divisors (see below), whose sum is σ = 64041890109120. Its totient is φ = 58704919573872.

The previous prime is 61373401515113. The next prime is 61373401515277. The reversal of 61373401515121 is 12151510437316.

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 61373401515121 - 2³ = 61373401515113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61373401510121) 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, 30074350 + ... + 32050168.

It is an arithmetic number, because the mean of its divisors is an integer number (8005236263640).

Almost surely, 2^{61373401515121} is an apocalyptic number.

It is an amenable number.

61373401515121 is a deficient number, since it is larger than the sum of its proper divisors (2668488593999).

61373401515121 is a wasteful number, since it uses less digits than its factorization.

61373401515121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326375.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 61373401515121 in words is "sixty-one trillion, three hundred seventy-three billion, four hundred one million, five hundred fifteen thousand, one hundred twenty-one".