10420051015215 has 12 divisors (see below), whose sum is σ = 18061421759784. Its totient is φ = 5557360541424.

The previous prime is 10420051015193. The next prime is 10420051015223. The reversal of 10420051015215 is 51251015002401.

It is a happy number.

10420051015215 is a `hidden beast` number, since 1 + 0 + 420 + 0 + 5 + 10 + 15 + 215 = 666.

It is not a de Polignac number, because 10420051015215 - 2²⁰ = 10420049966639 is a prime.

It is a super-2 number, since 2×10420051015215² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115778344569 + ... + 115778344658.

It is an arithmetic number, because the mean of its divisors is an integer number (1505118479982).

Almost surely, 2^{10420051015215} is an apocalyptic number.

10420051015215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10420051015215 is a deficient number, since it is larger than the sum of its proper divisors (7641370744569).

10420051015215 is a wasteful number, since it uses less digits than its factorization.

10420051015215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231556689238 (or 231556689235 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 10420051015215 its reverse (51251015002401), we get a palindrome (61671066017616).

The spelling of 10420051015215 in words is "ten trillion, four hundred twenty billion, fifty-one million, fifteen thousand, two hundred fifteen".