1015625060421 has 8 divisors (see below), whose sum is σ = 1433823614784. Its totient is φ = 637254939840.

The previous prime is 1015625060419. The next prime is 1015625060423. The reversal of 1015625060421 is 1240605265101.

It is an interprime number because it is at equal distance from previous prime (1015625060419) and next prime (1015625060423).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1015625060421 - 2¹ = 1015625060419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015625060423) 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, 9957108385 + ... + 9957108486.

It is an arithmetic number, because the mean of its divisors is an integer number (179227951848).

Almost surely, 2^{1015625060421} is an apocalyptic number.

It is an amenable number.

1015625060421 is a deficient number, since it is larger than the sum of its proper divisors (418198554363).

1015625060421 is a wasteful number, since it uses less digits than its factorization.

1015625060421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914216891.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 1015625060421 in words is "one trillion, fifteen billion, six hundred twenty-five million, sixty thousand, four hundred twenty-one".