75015363121 has 8 divisors (see below), whose sum is σ = 78280101504. Its totient is φ = 71750891520.

The previous prime is 75015363109. The next prime is 75015363197. The reversal of 75015363121 is 12136351057.

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 75015363121 - 2⁷ = 75015362993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75015366121) 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, 691356 + ... + 792466.

It is an arithmetic number, because the mean of its divisors is an integer number (9785012688).

Almost surely, 2^75015363121 is an apocalyptic number.

It is an amenable number.

75015363121 is a deficient number, since it is larger than the sum of its proper divisors (3264738383).

75015363121 is a wasteful number, since it uses less digits than its factorization.

75015363121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133391.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 75015363121 in words is "seventy-five billion, fifteen million, three hundred sixty-three thousand, one hundred twenty-one".