61001505154 has 8 divisors (see below), whose sum is σ = 91511501328. Its totient is φ = 30497671380.

The previous prime is 61001505151. The next prime is 61001505163. The reversal of 61001505154 is 45150510016.

It is a happy number.

61001505154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (61001505151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515772 + ... + 1555495.

It is an arithmetic number, because the mean of its divisors is an integer number (11438937666).

Almost surely, 2^61001505154 is an apocalyptic number.

61001505154 is a deficient number, since it is larger than the sum of its proper divisors (30509996174).

61001505154 is a wasteful number, since it uses less digits than its factorization.

61001505154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081200.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 61001505154 in words is "sixty-one billion, one million, five hundred five thousand, one hundred fifty-four".