42615261603 has 12 divisors (see below), whose sum is σ = 64231698960. Its totient is φ = 27174949296.

The previous prime is 42615261551. The next prime is 42615261653. The reversal of 42615261603 is 30616251624.

42615261603 is a `hidden beast` number, since 4 + 2 + 615 + 26 + 16 + 0 + 3 = 666.

It is not a de Polignac number, because 42615261603 - 2¹³ = 42615253411 is a prime.

It is a super-2 number, since 2×42615261603² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42615261653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102935208 + ... + 102935621.

It is an arithmetic number, because the mean of its divisors is an integer number (5352641580).

Almost surely, 2^42615261603 is an apocalyptic number.

42615261603 is a deficient number, since it is larger than the sum of its proper divisors (21616437357).

42615261603 is a wasteful number, since it uses less digits than its factorization.

42615261603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205870858 (or 205870855 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 42615261603 in words is "forty-two billion, six hundred fifteen million, two hundred sixty-one thousand, six hundred three".